Question

ANSWER QUESTION FIRST I MARK YOU AS BRAINLIEST......

Answer 1

(11)^2 -(√11)^2

121-11

110

Answer 2

$(a + b)(a - b) \: = \: {a}^{2} - {b}^{2}$

$(11 + \sqrt{11} )(11 - \sqrt{11} ) \: = {11}^{2} - ({ \sqrt{11} )}^{2}$

That gives the answer :

= 121 - 11

= 110

Hope it helps ✌️