Question

Using the identity evaluate 52^(2 - 48^(2

Answer 1

by using (a+b)(a-b) = a²-b²

52²-48²= (52+48)(52-48)

2704-2304= 100*4

400= 400

Answer 2

using identity a²-b²=(a+b) (a-b) you can solve this expression easily