Question

what is the answer? please tell me​

Answer 1

multiply numerator and denomator by root 5- 1 which is conjugate of root 5 +1 to rationalize the fraction

in numerator= 1 ( rt5-1)= rt5-1

denom= (rt5+1) (rt5-1 )=  4

so ans= rt5-1 /4    $\frac{\sqrt{5}-1 }{4}$

pls mark brainliest