Question

can you tell me
a^2+ b^2 = ?​

Answer 1

a^2 + b^2 = a^2 + b^2 + 2ab - 2ab = (a+b)^2 - 2ab = (a-b)^2 + 2ab

Answer 2

Answer:

Hello Pankaj,

There are 2 formulae for this.

Here you go,

1.) a^2 + b^2 = (a+b)^2 - 2ab

2.) a^2 + b^2 = (a-b)^2 + 2ab