Question

prove that a+b2 equal to a2 +b2+2ab

Answer 1

hope it helps u .,,...,..........

Answer 2

did you mean
${(a + b)}^{2} = {a }^{2} + {b}^{2} + 2ab$
it is an identity
(a+b)(a+b)=a^2+b^2+2ab