SSC CGL 9 Aug 2015 Shift 1 Paper

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Question : 133 of 200

Marks: +1, -0

If 2 +

x√3

=

1/{2+√3}

, then the simplest vlaue of x is

1
1
- 2
2

Solution:

2 +

x√3

=

1/{2+√3}

×

{2-√3}/{2-√3}

(On rationalising the denominator)
⇒ 2 +

x√3

= 2 -

√3

⇒

x√3

= -

√3

⇒ x = - 1

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