Question

can anyone help me with this question​

Answer 1

(√2 + √3)² = 2 + 3 + 2√6 = 5 + 2√6

As 2√6 is an irrational no. so

5 + 2√6 is also IRRATIONAL

Answer 2

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

it is a rational number

because

and

$\sqrt{2} ^{2} = 2$

and

$\sqrt{3}^{2} = 3$

so 2+3=5 a Rational number