Evaluate-30-8-5-8-5-1-4-

Question Number 82082 by TawaTawa last updated on 18/Feb/20

Evaluate : {(\frac{\sqrt{30 + \sqrt{8} + \sqrt{5}}}{\sqrt{8} + \sqrt{5}})}^{1 / 4}

Commented by MJS last updated on 18/Feb/20

{it}^{'} s not possible to expand or factorise \sqrt{30 + \sqrt{8} + \sqrt{5}}

\Rightarrow we can only use a calculator

Commented by jagoll last updated on 18/Feb/20

l e t \sqrt{8} + \sqrt{5} = t

\sqrt[4]{\frac{\sqrt{30 + t}}{t}} = \sqrt[4]{\frac{\sqrt{30 + t}}{\sqrt{t^{2}}}} = \sqrt[4]{\frac{30 + t}{\sqrt{t^{3} + 30 t^{2}}}}

Commented by jagoll last updated on 18/Feb/20

h a h a . . i {d o n}^{'} t h a v e i d e a

Commented by john santu last updated on 18/Feb/20

h a h a \dots .