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Equation of the tangent to the curvey^2=...

Equation of the tangent to the curve`y^2=4ax` at `(at^2,2at)` is

A

`xt + y - 2at - at^(3) = 0`

B

`x+yt=at^(2)`

C

`x-yt+at^(2)=0`

D

`xt-y-2at-at^(3)=0`

Text Solution

Verified by Experts

The correct Answer is:
C
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