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by Wonder Boy · Published April 15, 2020 · Last modified May 9, 2020
Rational Numbers: The rational numbers include all the integers, all fractions, terminating decimals and repeating decimals (We will discuss fractions and decimals later). Every rational number can be written in the form of fraction...
Fraction : A fraction is a number in the form , where x & y are both integers and y 0. In the form , ‘x’ is called the numerator of the fraction and...
Number : A number is a mathematical object to measure, count and label. Natural Number : The natural numbers are also called the counting numbers. The numbers 1,2,3,4 and so on are natural numbers....
Let’s take simultaneous equation with 3 variables. ……………(1) …………..(2) …………….(3) To solve simultaneous equation with 3 variables Step 1: Take 2 equations, say (1) & (2) to remove any one variable, say z. Mark...
Let’s take a pair of linear equation: ……………..(1) ……………..(2) With the help of coefficient of equations (1) & (2) we can easily determine if the solution of the simultaneous equations will be Unique Solution,...
Many CAT 2019 aspirants were waiting eagerly for the start of CAT application process. Registration for the test started at 10 A.M. on 7th, August 2019. The Indian Institutes of Management will conduct a...
Approach 2 : Substitution MethodIn this method, we express one of the variables in terms of the other in 1 of the equation and then substitute the value of the variable in the other...
Approach 1 : Elimination Method In this method we try to eliminate one of the two variables in the linear equations. After elimination, an equation with only one variable is left. Simplifying the equation,...
A set of 2 (or more) linear equations in 2 (or more) variables which are satisfied simultaneously by a same unique solution are called as Simultaneous Equations.e.g. 2x + 3y = 14and 2x –...
In CAT/GMAT/MBA/Other aptitude tests, there are verbal statements in which a problem is given. To solve the problem, we need to express it as algebraic equation. The unknown quantity is first considered as a...
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