SSC CHSL 4 Mar 2018 Shift 1 Paper

Section: General Awareness

Question : 78 of 100

Marks: +1, -0

Which of the following is the correct rationalize form of

15 /{√5+2} = ?

Solution:

Expression :

15 /{√5+2} = ?

Rationalizing the denominator, we get :
=

15 /{√5+2} ×{( √5−2)}/( √5−2)

{15( √5−2)}/{5−4} = 15 √5 − 30

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