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If f(x)=x^2+(1)/(x^2), g(x)=x^4+(1)/(x^4...

If `f(x)=x^2+(1)/(x^2), g(x)=x^4+(1)/(x^4) and a+(1)/(a)=3`, then the respectively values of `f(a) and g(a)` are

A

9,81

B

7,47

C

9,47

D

none of these.

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The correct Answer is:
B
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
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