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if x^2+y^2 = t - 1/t and x^4 + y^4 = t^2...

if `x^2+y^2 = t - 1/t` and` x^4 + y^4 = t^2 + 1/t^2 `then prove that `dy/dx = 1/(x^3y)`

A

0

B

1

C

-1

D

None of these

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B
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