EXPONENTIALS 4

Evaluate 1167² – 833²

Solution

We apply difference of  two squares: a² - b² = (a-b)(a+b).

1746² – 1254² = (1746 + 1254)( 1746 - 1254)

                     = (3000)( 492)

                     = 1476000

Hence 1746² – 1254² = 1476000

TRY THIS……………………

Evaluate 1168² – 832²