Question

evaluate (49)²using(a-b)² identity

Answer 1

HOPE IT HELPS YOU.....

Answer 2

hii. ......friend

the answer is here,

$= > \: ( {49)}^{2} = ( {50 - 1)}^{2}$

$= > \: ( {50})^{2} + {1}^{2} - 2(50)(1)$

$= > \: 2500 + 1 - 100$

$= > \: 2401$

:-)Hope it helps u.