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NCERT Exemplar Solutions Class 8 Mathematics Solutions for Algebraic Expressions and Identities & Factorisation - Exercise in Chapter 7 - Algebraic Expressions and Identities & Factorisation

Question 37 Algebraic Expressions and Identities & Factorisation - Exercise

(a – b) _________ = a^2 – 2ab + b^2

Answer:

(a – b) (a - b) = (a - b)^2= a^2 – 2ab + b^2

(a – b) (a - b)= a × (a - b) – b × (a - b)

= a^2 – ab – ba + b^2

= a^2 – 2ab + b^2

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