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Discuss monotonocityt of y =f(x) which i...

Discuss monotonocityt of y =f(x) which is given by `x=(1)/(1+t^(2))and y=(1)/(t)(l+t^(22)),tgt0`

A

increasing in `(0,3/2)` and decreasing in `(3/2,oo)`

B

increasing in (0,1)

C

increasing in `(0,oo)`

D

None of these

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The correct Answer is:
B
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