Question

how to find square root of 11+2√30

Answer 1

${(11 + 2 \sqrt{30}) }^{2} = 11 + 4 \times 30 = 121 + 120 = 241$

Answer 2

$( 11 + 2 { \sqrt{30}) }^{2} = 121 + 4\times 30 =121 + 120 = 241$

this is the square of i think it is in point or it is not a root of any no.