Question

Tell me all identities of algebra polynomials class 9 chapter 2.

Answer 1

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

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

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

(x+a)(x+b)=x^2+(a+b)x+ab

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Answer 2

All the identities of algebraic expression