SSC CHSL 8 Jan 2017 Shift 3 Paper

Question : 59 of 100

Marks: +1, -0

The sum of a non-zero number and its reciprocal is 2. What is the number?

Solution:

Let the number be x
According to ques, ⇒

x+1/x=2

⇒

{x^2+1}/x=2

⇒

x^2-2x+1=0

⇒

({x-1})^2=0

⇒

x=1

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