Question

Q1. Formula for (a+b)^2 *
1(a^2+2ab+b^2
2)a^2-2ab+b^2
3)a^2+b^2
4)a^2-b^2​

Answer 1

Answer:

1. a^2 + b^2+2ab

hope this may help...

Answer 2

Answer:

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