The equation of the tangent to (x/a)^n +...

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

A

(a) `x/a-y/b`

B

(b) `x/a+y/b=2`

C

(c) `x/a=y/b`

D

(d) `x/a+y/b=n`

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The correct Answer is:

B

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