Exponents and Power Rules In this chapter we will learn about exponent and power. These are very large numbers, and difficult to read, and compare. To make these numbers easy to read, compare and understand we use exponents. Exponents  Definition: When a number repeatedly multiply by itself, we raise it to a power. This is known as […]

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Sets – Cartesian Product of Sets If A and B are two non empty sets, then their Cartesian Product A x B is set of all possible ordered pairs. A x B = {(x, y) : x ∈A, y ∈ B} where the elements of A are comes first and the elements of B are […]

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Proportion When two ratios or (fractions) are equal, then they are in Proportion. A proportion is an equality of ratios. The symbol “::” or “=” to equal represent the two ratios.                It can be written in two ways 1. Colon form 2. Fractional form The terms a, b, c, […]

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Ratio A ratio is a powerful tool for comparing quantities. By understanding how to represent, simplify, and use ratios, we can solve various practical problems. Whether in cooking, finance, or everyday measurements, ratios help make sense of the relationships between different quantities. A ratio is a mathematical expression that represents the relationship between two or […]

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 Volume – Definition – Examples A shape’s volume is the measure of the amount of total 3- dimensional space inside it, like a ball, cube, cylinder or pyramid. or The measure of the capacity that an object holds is known as its volume. Volume is measured in cubic unit. The volume of a cube with sides […]

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Intersection of sets  Definition: The ‘Intersection of two sets’ A and B is the set of all elements, which belong to both A and B. or simply,  The ‘Intersection of two sets’ A and B is the set of all elements, which are common in both A and B. Symbol  ‘∩’ is used to denoted the Intersection of two sets […]

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Numerator and Denominator Numerator In math, the top number of a fraction that shows how many parts we have, is known as numerator. Denominator In math, the bottom number of a fraction that shows the number of equal parts of an item is divided into, is known as denominator. Numerator : Top number of a fraction Example: […]

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  Acute Angle When two rays are joined together at a common point, an angle is formed. Definition: Acute angle: A angle whose measure is more than 0 degree and less than 90 degree is called a acute angle. ∠AOB is a acute angle, it’s measure 45º, which is less then 90 degree and more then […]

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