If x = a + (1)/(a) and y = a – (1)/(a) then sqrt x^4 + y^4 – 2x^2y^2 is equal to – OfficerPath

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MCQ Practice

If x = a + (1)/(a) and y = a - (1)/(a) then sqrt x^4 + y^4 - 2x^2y^2 is equal to:

Subject: MathematicsTopic: Algebra

A

16a 2

B

8

C

frac8a^2

D

4

Correct Answer: D

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