The value of {2\sqrt{10}}/{\sqrt{5}\: + \:\sqrt{2}−\sqrt{7}}−\sqrt{ {{\sqrt{5}−2}/{\sqrt{5}\: + \:2}}− {3}/{\sqrt{7}−2}\: is:

SSC CGL Tier II Quant 13 Sep 2019 Paper

Question : 99 of 100

Marks: +1, -0

The value of

\;{2{√{10}}}/{{√{5}}\: + \:{√{2}}−{√{7}}}−√{\;{{√{5}}−2}/{{√{5}}\: + \:2}}−\;{3}/{{√{7}}−2}\:

is:

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