Question

решите..............................................................

Answer 1

$(\sqrt{11} + 2\sqrt{2} )^{2} \\\\11+4\sqrt{22} + 8\\\\Otvet:19+4\sqrt{22}$

Answer 2

(√11+2√2)²= 11+4√22+8= 19+4√22.

Ответ: 19+4√22