Question

use identity and find 11²​

Answer 1

Answer:

121 yeh hoga answer ok. 11×11

Answer 2

Hey friend, here is your answer -

$11^{2}$

= $(10+1)^{2}$

= $10^{2}$ + $1^{2}$ +2 (10) (1) [∵ $(a+b)^{2}$ = $a^{2} +b^{2} + 2ab$]

= 100 + 1 + 20

= 121

Hope it will help