IF the slope of the tangent to the circl...

IF the slope of the tangent to the circle `S=x^2+y^2-13=0` at (2,3) is m, then the point `(m,(-1)/m)` is

A

an external point with respect to the circle S=0

B

an internal point with respect to the circle S=0

C

the centre of the circle S=0

D

a point on the circle S=0

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The correct Answer is:

B

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