Question

Find it is rational or irrational no.(2+√3)^2 ??

Answer 1

Step-by-step explanation:

it is irrational because its answer is

$4 + 3 + 4 \sqrt{3}$

Answer 2

$( {2 + \sqrt{3}) }^{2}$

${2}^{2} + ( { \sqrt{3} )}^{2} + 2 \times 2 \times \sqrt{3}$

$4 + 3 + 4 \sqrt{3}$

$7 + 4 \sqrt{3}$

it is irrational number