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SSC CGL Tier II - 2 March 2023 - Shift 1

Tier 2 • 2 March 2023 • 150 questions

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Question 1 / 150

If 1x+x=4\frac{1}{x}+x=4, then find 1x2+x2\frac{1}{x^2}+x^2

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 14

Given that

1x+x=4\frac{1}{x}+x=4

Square on both sides

1x2+x2\frac{1}{x^2}+x^2 + 2 = 16 

1x2+x2\frac{1}{x^2}+x^2 = 16 - 2 = 14

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All 150 questions in this paper
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