Question

(a+b)2 give me formula of this question.

Answer 1

Heu mate, here is your answer: -)
$(a + b) {}^{2} = a {}^{2} + b {}^{2} + 2ab$
HOPE it helps to you!!!

Answer 2

(a+b)²=
(a+b)(a+b)
a²+2ab+b²
hope it helps