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The equation of the tangent to the curve...

The equation of the tangent to the curve `(x/a)^4+(y/b)^4=2` at `(a,b)` is

A

`x/a+y/b=2`

B

`x/a-y/b=2`

C

`ax+by=a^2+b^2`

D

`ax-by=a^2-b^2`

Text Solution

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The correct Answer is:
A
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