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f(x)=(1)/(x),g(x)=(x+(1)/(x)), then whic...

`f(x)=(1)/(x),g(x)=(x+(1)/(x))`, then which of the following is true?

A

f(g(x)).g(f(x))=1

B

`f(g(x))/g(f(x)) = 1`

C

f(g(x)) + g(f(x)) = 1

D

none of these

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A
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