Question

find the value of the following..​

Answer 1

Answer:

root 5 square is 5 and root 2 square is 2 so 5+2 =7

Answer 2

Answer:(

$( \sqrt{5} + \sqrt{2} ) { }^{2} = 5 + 2 + 2 \sqrt{10}$

According to the formula: (a+b)²=a²+b²+2ab