Solve it with explanation.
Q). $a_1, a_2, a_3, ......., a_n\to A.P$ positive terms, then
$\frac{a_1+a_{2n}}{\sqrt{a_1}+\sqrt{a_2}}+\frac{a_2+a_{2n-1}}{\sqrt{a_2}+\sqrt{a_3}}+............+\frac{a_n+a_{n+1}}{\sqrt{a_n}+{\sqrt{a}}_{n+1}}$