SarkariPYQ

SSC CGL 2023 PYQ — Question 67

SSC CGL - 19 July 2023 - Shift 4 • Quantitative Aptitude • Q67

Back to paper

If (x + 1x {1{} \over x}) = 2, then x7 + 1/x7 =_______________.

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 2.

Given that

If (x + 1x {1{} \over x}) = 2

Put x = 1 

⇒ (1 + 1) = 2 

Satisfied

So, x7 + 1/x7 = 17 + 1/17 

⇒ 1 + 1 = 2