# Vedantu.com how to use, tutorial

### How to Find The Median? - Vedantu

**Details: **Arrange the number in an order according to their size. For the odd number of terms, the Median is the middle element of the sequence. For the even number of terms, to find the Median, we must add the two middle elements and then divide the sum by 2. This is taking a mean of the numbers.

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### Binary to Decimal Conversion - How to Convert Binary

**Details: **Similarly, if you are asked to convert 1010 binary to decimal, the equation would be: 1 × 23 + 0 × 22 + 1 × 21 + 0 × 20. = 8 + 0 + 2 + 0. Thus, the decimal equivalent, in this case, is 10. The formula which coverts binary number to decimal to give the required equivalent is: Decimal number = nth bit x 2n-1.

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### Resolving Power of a Microscope and Telescope

**Details: **Resolving power is the power of an optical device to distinguish between two firmly placed objects which are located at a distance, and produce their images. Resolution is the minimum distance between two different objects in an image that can be distinguishable. It is also called a minimum resolvable distance.

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### Dialogue Writing - Introduction, Writing Tips, Format and

**Details: **If you want to write a story, dialogues are a very important part of the story. Writing a good dialogue requires a set of rules to follow because a bad dialogue can change the story and the dialogue’s meaning as well.

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### How To Tell Wild Animals Summary for Class 10

**Details: **How to Tell Wild Animals Class 10 Summary. The Poem How to tell wild animals is written by Carolyn Wells, who became quite well-known to become of this Poem. In this Poem, Miss Wells tries to point out different ways in which we can identify wild animals. Here in this Poem, she describes the wildlife in a lively manner.

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### Percentage Increase Formula – Explanation, Formula and

**Details: **The percentage increase formula is the increased value divided by the original value and further multiplied by 100. It is expressed in terms of percentage. If value is increased, then there is an increase in percentage. Step-1: Calculate the difference i.e. increase between the two numbers.

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### How to Calculate Percentage of Marks | Percentage Formula

**Details: **Conclusion: To convert any form of number into percentage we need to convert it into a fraction and then multiply by 100. Similarly, to convert a percentage to any form of a number we need to first divide the percentage by 100 and then convert the resultant fraction to the form of a number we want.

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### Degrees to Radians – Conversion and Solved Examples

**Details: **The Degree to Radian Conversion. The value of 180° equals to π radians. For converting any given angle from the measure of its degrees to the radians, you need to multiply the value by π 180. Angle in radians = angle in degrees x π 180. The value of π = 22/7 or 3.14.

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### Preparation of Alkenes – Different Methods

**Details: **Preparation Of Alkenes From Alkynes. Alkynes are hydrocarbons containing a triple bond between any two adjoining carbon atoms. Alkenes can be prepared from alkynes by carrying out hydrogenation in the presence of palletised charcoal. The charcoal which is used in this reaction has been moderately deactivated.

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### How to Find Cube Root? –Prime Factorization Method

**Details: **In this method, the number whose cube root is to be found is resolved completely into its prime factors. The identical prime factors are grouped such that three identical factors form one group. To determine the cube root, one factor from each group is collected and multiplied together. Step 1:

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### Triangular Numbers | How to Find Triangular Numbers

**Details: **A triangular number include objects organized in an equilateral triangle. The nth triangular number is the number of black dots in the triangular pattern with n black dots on a side and is equivalent to the total of the n natural numbers from 1 to n.

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### Energy Level of an Atom - Energy State and Energy level

**Details: **The first energy level is also called level 'K'. The second level is called level L, third energy level as M, and so on. The electrons from energy level K contains the least energy whereas the levels that are far from the nucleus contains more energy.

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### Calculating Equilibrium Concentration - Steps and Solved

**Details: **The first step is to write down the balanced equation of the chemical reaction. aA +bB cC + dD. The second step is to convert the concentration of the products and the reactants in terms of their Molarity. The third step is to form the ICE table and identify what quantities are given and what all needs to be found.

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### Covariance Formula – Definition, Properties, Formula

**Details: **Covariance Formula in Statistics. Definition: Suppose X and Y are random variables with means µXand µY. The covariance of X and Y is defined as Cov (x,y) = ∑ i = 1 n ( x i − x ¯) ( y i − y ¯) n − 1 , where, xi= the values of the X- variable. yi= the values of the X- variable. x = Mean or the average of the X variable.

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### Balance of Payments Deficit and Surplus - Significance

**Details: **What does a Country’s BoP Statement Indicate? The BoP statement of a country indicates whether it has a deficit or surplus of funds. For instance, if a country’s export is higher than its import, then there is a surplus in the balance of payments.

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### Electric Field Due to Point Charge - Formula, Example and

**Details: **Here if force acting on this unit positive charge +q₀ at a point r, then electric field intensity is given by: E → ( r →) = F → ( r →) /q₀. Hence, E is a vector quantity and is in the direction of the force and along the direction in which the test charge +q tends to move. Its unit is N/C.

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### My Aim in Life Essay in English for Students | Easy Essay

**Details: **My Aim in Life Essay in English for students & children at Vedantu.com. An aimless person is just like a ship without any direction. You cannot move forward without having an aim or goal in your life. This is an easy, short & informative essay on My Aim in Life for free only at Vedantu.com.

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### Percentile Formula - Procedure to Calculate, Solved

**Details: **Procedure to Calculate K th Percentile . The kth percentile is a value in a data set that divides the data into two parts. The lower part contains k percent of the data, and the upper part contains the rest of the data.

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### Physics Symbols - List of Physics Symbols and Names

**Details: **Below are some symbols used commonly in physics with their names, the type of quantities and their SI units. Symbols used to denote physical quantities related to space and time: Symbol. Quantity/ Coefficients. S.I Unit. Physical Quantity (Scalar/Vector) r. Radius, the radius of curvature. Meter.

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### Precis Writing Procedure – Importance, Steps, Examples and

**Details: **Importance of Precis Writing. VIEW MORE. A precis is a summary of a story. The gist of the passage is written in as few words as possible. The reader should understand the idea expressed in the first reading by only reading the precis. So it should have all the essential points. It is an exercise of comprehension.

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### Inverse Tan – Formula, Explanation and FAQs

**Details: **To find out the derivative for the inverse of tan, we will find the derivative for tan inverse x. The formula of derivative of the tan inverse is given by: d/dx (arctan (x)). Hence, we define derivatives as 1/ (1 + x2). Here x does not belong to i or -i. This is also known as differentiation of tan inverse.

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### Physical Separation Methods - Filtration, Centrifugation

**Details: **The component with lowest boiling point evaporates first, then it is condensed and isolated. For example: Alcohol is liquid which is soluble in water. So, if we want to separate alcohol and water from a mixture, we will have to use the process of distillation. The mixture is kept in a distillation flask.

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### Karl Pearson’s Coefficient of Correlation - Formula

**Details: **Pro Tip: Try to solve one or two Karl Pearson coefficient of correlation problems using all the methods to figure out which is the easiest and shortest method of the lot. However, make sure to be thorough with all the formulas of Karl Pearson coefficient of correlation, so that you can attempt them in your exams with greater confidence.

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### Strategies to Control Pollution and Reduce Waste

**Details: **Some of the pollution control strategies to follow to reduce air pollution includes, Instead of driving, select to walk or ride a bike whenever possible. Choose public transportation, instead of using own/commercial vehicles. Maintain your vehicle tires with proper inflated.

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### Local Maxima and Minima Differential Calculus - Nature of

**Details: **Some of the applications of maxima and minima are given below: For an Engineer- The maximum and the minimum values of a function can be used to place its limits in real-life. For example, if you can determine an adequate function for the speed of a car then determining the maximum possible speed of the train can enable you to select the equipment that would be sufficient enough to resist the

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### Acid Strength Definition and Determining Factors

**Details: **Acid Strength Definition. Acid strength can be defined as the tendency of an acid, to dissociate into a proton, H+, and an anion, A−, and symbolized by the formula HA. The dissociation of a robust acid in solution is effectively complete, except in its most concentrated solutions. HA → H+ + A−.

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### Coal and Petroleum - Types and Conservation

**Details: **Conservation is the process of using a resource in a more careful way so that it can be made to last for a longer period of time. We can conserve coal and petroleum by switching to alternative or renewable sources of energy, such as hydel power, wind energy, geothermal energy, tidal energy, etc.

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### Adiabatic Process - Introduction, Examples, Equation

**Details: **Introduction. A thermodynamic system in which there is a change in the state of matter due to the change in the Pressure, Volume, Temperature (P, V, T) without transferring heat or mass with the thermodynamic system or its surroundings. The process in which the work done is in the form of a change in internal energy (U) and the amount of heat transferred, Q is zero (or there is no gain or loss

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### Eigenvectors of a Matrix – Method, Equation, Solved

**Details: **AX = λ X. It is formally known as the eigenvector equation. In place of λ, we put each eigenvalue one by one and get the eigenvector equation which enables us to solve for eigenvector belonging to each eigenvalue. For example: Suppose that there are two eigenvalues λ1 = 0 and λ2 = 1 of any 2×2 matrix.

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### Eccentricity – Formula for Circle, Parabola and Hyperbola

**Details: **Eccentricity Definition. In Mathematics, for any conic section, there is a locus of a point in which the distances to the point (focus) and the line (known as the directrix) are in a constant ratio.

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### Quartile Deviation Formulas – Definition, Formula Solved

**Details: **A quartile is a statistical tool that measures the variance of the given data by splitting the data into 4 equal parts and then comparing the results with the whole set of given observations and also articulates if any difference is found in the given data set.

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### Comparison of Ratios - Compare Quantities Using Ratios and

**Details: **For this, identify the LCM (least common multiple) of the 2nd terms (denominator) of the ratios. Then, divide the LCM by the 2nd term of each ratio. Now, multiply the denominator as well as the numerator of each ratio by the quotient. Step II: Compare the 1st terms (numerators) of the new ratios.

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### Equations of Ellipse - Explanation, Solved Examples and FAQs

**Details: **The general equation of ellipses in a standard form or say standard equation of ellipse is given below: x 2 a 2 + y 2 b 2. Derivation of Equations of Ellipse. When the centre of the ellipse is at the origin and the foci are on the x-axis or y-axis, then the standard equation of ellipse can be derived as shown below.

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### Pollution Essay in English for Students | Easy Essay on

**Details: **Pollution Essay in English for students & children at Vedantu.com. Being aware of pollution is quite mandatory for all the students these days. This is an easy, short & informative essay on Pollution for free only at Vedantu.com.

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### Cube Root of 64 - Ways to Find, Solved Examples and FAQs

**Details: **Number 4 is linear, which is also the 1 st composite number and, therefore, the 1 st non-prime number after the number one. The uniqueness of the number 4 is that the result of its multiplication and addition with its factor 2 gives the same result i.e. both 2 × 2 = 4 and 2 + 2 = 4 and hence 2 2 = 4. Another peculiarity of a number 4 is its impossibility of an algebraic equation of a greater

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### Enthalpy and Entropy - Equation, Standard Condition

**Details: **The symbol of standard enthalpy change is Delta H nought or H. In case of this change in a reaction; the symbol will become ∆H⁰r. For example, record the standard enthalpy change in the reaction between H and O₂ to form water or H₂O. 2H₂ (g) + O₂ (g) → 2H₂O (I) ΔH⁰ᵣ = -572kJmol⁻¹.

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### Pyramid Formula – Explanation, Types, Formula, Solved

**Details: **The surface area of a pentagonal pyramid formula - 5/2 ab + 5/2 bs. The surface area of a hexagonal pyramid formula - 3ab + 3bs. In the above surface area of pyramid formulas, a represents the apothem length of the pyramid, b represents the base length of the pyramid and s represents the slant height of the pyramid.

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### Find Square Root - Formula and Square Root Calculator with

**Details: **Putting all of this under the long square root symbol (which looks like division), and we start dividing. 1√3.00 00 00 00 00. Putting the largest number whose square is less than or equal to 3 and above the 3. Square it and subtract it from 3, which in this case is 1.

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### Tally Marks - Definition, Counting, Chart and Examples

**Details: **To read this chart, all you have to do is count how many tally marks are there next to each type of candy. First is ‘Chocolate Bars’ six of your friends like it so you will write first the set of five tally marks and then one tally mark in this way you will write six tally marks.

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### Argument of Complex Numbers – Solved Examples

**Details: **Example 1) Find the argument of -1+i and 4-6i. Solution 1) We would first want to find the two complex numbers in the complex plane. This will make it easy for us to determine the quadrants where angles lie and get a rough idea of the size of each angle. For, z= --+i.

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### Scalene Triangle Formula – Explanation, Properties, Solved

**Details: **The three types of a triangle based on the length of their slides are: 1. Scalene Triangle - If the measurement of all the three sides and interior angles of a triangle are different, then the triangle is said to be a scalene triangle. It also implies that three vertices of a triangle are different.

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### Tension Force Definition, Formula, Examples and Newton's

**Details: **Tension Force is the force that is transmitted through a cable, rope, wire or string when it is pulled tight by forces acting from opposite ends. Learn more about Tension force and Newton’s Laws at Vedantu.com

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### Examples, Strong and Weak Reducing Agents - Vedantu

**Details: **Sodium, hydrogen, and lithium are examples of strong oxidizing agents. While weak reducing agents cannot lose electrons easily. Fluorine, chlorine, iron etc. are weak reducing agents. We can know the strength of reducing agents by electrochemical series as well.

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### Exponential Smoothing – Equation, Formula and Methods

**Details: **Disadvantages of exponential smoothing are: 1. It Delivers Forecasts that Lag Behind the Actual Trend - The lag is the adverse effect of the exponential smoothing process. There’s a reason this method has smoothing in its name as it ignores the up and down connected with random changes.

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### Biomagnification - Meaning, Example, Causes and Effects

**Details: **As a result, they enhance the biomagnification definition of causing harm to an entire food chain. Industrial Activities. Toxic by-products released by various industries are a significant cause of biomagnification. Additionally, the gas emission by them pollutes the air and harms the ecosystem even further.

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### Permutations and Combinations – Definition, Difference and

**Details: **In layman’s word, a combination is when the order is not important, and permutation is when the order is important. With the help of permutations combinations, you can express a group of data in the form of sets and subsets. It refers to the different ways of arranging a specific group of data.

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### Derivation of Kinetic Energy Formula - Introduction

**Details: **The Formula for Kinetic Energy. A dancing man is said to be more energetic than a snoring man. In physics, a moving particle is said to have more energy than the particle at rest. Quantitatively the energy of the moving particle is defined by: → →. K (v) = 1/ 2 x m x v ^ 2 = 1/ 2 m v . v.

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### Polarisation of Light – Types and Methods

**Details: **Ans. It means that the light emitted by the sun travels in all the given directions i.e in different planes. And while being transmitted through a distance it gets semi polarized and only gets polarized when its angle of reflection is equal to the angle of polarization.

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### Coefficient of Linear Expansion - Formula, SI Unit and

**Details: **The SI unit of coefficient of linear expansion can be expressed as °C-1 or °K-1. Here, C indicates Celsius and K indicate Kelvin. The dimension of coefficient of linear expansion will be [M^0L^0T^0K^-1].

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### JEE Main Maths Important Questions with Solutions

**Details: **Bookmark added to your notes. Mathematics is such a subject which needs conceptual understanding. To do that, you have to practice a lot to remember all the formulae because these are very important to solve any problem. And, when it comes to the IIT JEE exam, Maths holds sheer importance.

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