Question

Find the root of 11+2square30

Answer 1

$\\ \sf\longmapsto \sqrt{11+2^230}$

$\\ \sf\longmapsto \sqrt{11+4(30)}$

$\\ \sf\longmapsto \sqrt{11+120}$

$\\ \sf\longmapsto \sqrt{131}$

$\\ \sf\longmapsto 11.3$