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The equation of tangent to the curve xy=...

The equation of tangent to the curve `xy=c^(2)` at `(ct, (c )/(t))` is

A

`x-t^(2)y=2ct`

B

`x-ty=2ct`

C

`x+t^(2)y=2ct`

D

`x+ty=2ct`

Text Solution

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The correct Answer is:
C
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