Question

If $a = \sqrt{7} + \sqrt{15}$
$b = 7$

Then,

Options :

$a) \:a < b \\ b) \: a > b \\ c) \: a \leqslant b \\ d) \: a \geqslant b$
Please answer ASAP with explanation

Answer 1

a=√7+√15,b=7 (compare a×a,b*b)
a^2=23+2√105
b^2=49

23 is less than 49

then a is less than b