Question

what is the formula of (a+b)²

Answer 1

(a+b)^2

= (a+b)(a+b)

= a(a+b) +b(a+b)

= a^2+ ab + ab + b^2

= a^2+ 2ab + b^2

Hope it's helpful to u.

Answer 2

hiii frends,
$(a + b) ^{2} = a {}^{2} + b {}^{2} + 2ab$
is answer hope it's help you.