Question

plzzz is question ka ans de do

Answer 1

if useful mark as brainlist

Answer 2

$\frac{2 \sqrt{45} + 3 \sqrt{20}}{2 \sqrt{5} } \\ = \frac{6 \sqrt{5} + 6 \sqrt{5} }{2 \sqrt{5} } \\ = \frac{6( \sqrt{5} + \sqrt{5} ) }{2 \sqrt{5} } \\ = \frac{3 \sqrt{5} + 3 \sqrt{5} }{ \sqrt{5} } \times \frac{ \sqrt{5} }{ \sqrt{5} } \\ = \frac{30}{5} = 6$
and 6 is a rational no.