Question

2+3√5 solution .................

Answer 1

heya @user

$2 + \sqrt[3]{5} \\ = 2 + 3 \times 2.23607 \: \: \: ( \sqrt{5} = 2.23607) \\ = 8.7101$
HOPE HELPED !!

Answer 2

The answer is given below :

Now,

$2 + 3 \sqrt{5} \\ \\ = 2 + (3 \times 2.2306797...) \\ \\ (since\\ \sqrt{5} = 2.236067...) \\ \\= 2 + 6.6920391... \\ \\ = 8.6920391...$

Thank you for your question.