Inclination of the normal to the curve x...

Inclination of the normal to the curve `xy=15` at the point `(3,5)` is

A

(a) `tan^-1(15/9)`

B

(b) `-tan^-1(9/15)`

C

(c) `tan^-1(9/15)`

D

(d) `-tan^-1(15/9)`

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The correct Answer is:

C

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