(√5+2)/(2√5-1)

3 answers

10.5830052
acting like my lil cousins and siblings "I'm telling!"
More than likely the did not ask for a decimal answer.
A question like this usually asks you to rationalize the denominator,
or to find the "exact" answer

Besides that CAT's answer is incorrect

(√5+2)/(2√5-1)
= (√5+2)/(2√5-1) * (2√5 + 1)/(2√5 + 1)
= (10 + √5 + 4√5 + 2)/(20 - 1)
= (12 + 5√5)/19