Question

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

Answer 1

Answer:

1.  4ab

2.  a²+b²

Hope this helps......

Answer 2

Answer:

1. 4ab , 2. a² + b²

Step-by-step explanation:

1. (a+b)^2 - (a-b)^2 = 4ab

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