Question

what is a+b ka whole cube

Answer 1

(a+b)^ 3 = a^3+3a^2b+3ab^2+b^3.

Answer 2

(a+b)^3 = a^3+b^3+3ab (a+b)

=》(a+b)^3 = a^3+b^3+3a^2b+3ab^2