Question

(a-b)^2 identity plz ans me fast

Answer 1

Well, the identity is like this

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

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

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

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