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SSC CHSL 2021 PYQ — Question 63

SSC CHSL - 4 Aug 2021 - Shift 3 • Quantitative Aptitude • Q63

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If x2 + 1 - 2x = 0, x > 0,  then x2(x2 - 2) = ?

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Correct answer: D

Explanation

The correct answer is option 4 i.e. -1.

x2 + 1 - 2x = 0

x + 1/x = 2

x = 1

So, the value of