Question

how to prove a2+b2+2ab

Answer 1

you can provel this by using at RHS and lhs who's that is first take an example and apply that begin both sides that is lhs and RHS that is a plus b whole square feet is equals to a square + b square + abnow you will find the proof for this identity

Answer 2

( a+b )(a+ b ) solve this u will get a²+b² +2ab