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If x^(2)+y^(2)=t+(1)/(t) and x^(4)+y^(4)...

If `x^(2)+y^(2)=t+(1)/(t)` and `x^(4)+y^(4)=t^(2)+(1)/(t^(2))(xy gt0)` then `(d^(2)y)/(dx^(2))` is equal

A

`1//x^(3)`

B

`2//x^(3)`

C

`2sqrt(2)//x^(3)`

D

`2sqrt(2)//x^(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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