Question

(√5+1)-(√5-1)=
Solve it.​

Answer 1

Step-by-step explanation:

by identity =

$( {x}^{2} - {y}^{2} ) =(x - y)(x + y)$

$( \sqrt{5} {)}^{2} - ( {1)}^{2} \\ 5 - 1 \\ 4 \: ans.$

i hope it will help you

Answer 2

Answer:

(√5+1)-(√5-1)

=√5+1-√5+1

=2