Question

chapter -linear equations many formulas for class 8 ​

Answer 1

formulas in chapter

linear equations

•Additive Identity: (a ⁄ b + 0) = (a ⁄ b)

•Multiplicative Identity: (a ⁄ b) × 1 = (a/b)

•Multiplicative Inverse: (a ⁄ b) × (b/a) = 1

•Closure Property – Addition: For any two rational •numbers a and b, a + b is also a rational number.

•Closure Property – Subtraction: For any two •rational numbers a and b, a – b is also a rational number.

•Closure Property – Multiplication: For any two

rational numbers a and b, a × b is also a rational number.

•Closure Property – Division: Rational numbers are not closed under division.

•Commutative Property – Addition: For any rational numbers a and b, a + b = b + a.

•Commutative Property – Subtraction: For any rational numbers a and b, a – b ≠ b – a.

•Commutative Property – Multiplication: For any rational numbers a and b, (a x b) = (b x a).

•Commutative Property – Division: For any rational numbers a and b, (a/b) ≠ (b/a).

•Associative Property – Addition: For any rational numbers a, b, and c, (a + b) + c = a + (b + c).

•Associative Property – Subtraction: For any rational numbers a, b, and c, (a – b) – c ≠ a – (b – c)

•Associative Property – Multiplication: For any rational number a, b, and c, (a x b) x c = a x (b x c).

•Associative Property – Division: For any rational numbers a, b, and c, (a / b) / c ≠ a / (b / c) .

•Distributive Property: For any three rational numbers a, b and c, a × ( b + c ) = (a × b) +( a × c).

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Answer 2

Answer:

Maths formulas for class 8 ch 2 linear equations

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