What is the value of [\sqrt(5/4) + \sqrt(4/5)] ?

RRB NTPC 2014 Paper

Question : 63 of 100

Marks: +1, -0

What is the value of

[√(5/4)

√(4/5)]

Solution:

(1)

√{{5}/{4}}+√{{4}/{5}}={√{5} √{5}+√{4} √{4}}/{√{4} × √{5}}

={5+4}/{√{20}}={9}/{2√{5}}

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