Question

what is the formula for a plus b whole square

Answer 1

To find: (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 u got it

Answer 2

${x + y}^{2} = {x}^{2} + {y}^{2} + 2xy$