Question

evaluate:(√13-√5)²
please help me to solve it.....​

Answer 1

${\mathbb{\red{hOlA!!}}}$

We can evaluate:-
(√13-√5)²
by using the identity

(a-b)²=a²+b²-2ab

a=√13
b=√5


(√13)²+(√5)²-2(√13×√5)

13+5-2√13×√5

18-2√65

18-2(8.06)

18-16.12

${\bf{\green{Answer:- 1.88}}}$

Answer 2

here is your answer.plz mark it as brainlist.

13-2✓65+5

=18-2✓65