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If t is a parameter and x = t + 1/t , ...

If t is a parameter and ` x = t + 1/t , y = t - 1/t , " then " (d^2 y)/(dx^2) = `

A

`(4t)/((t ^(2) +1)^(2))`

B

`(t ^(2))/(t ^(2) +1)`

C

`(4t ^(3))/((t ^(2) +1) ^(3))`

D

`(-4t ^(3))/((t ^(2) -1) ^(3))`

Text Solution

Verified by Experts

The correct Answer is:
D
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