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IF the slope of the tangent of the...

IF the slope of the tangent of 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 circles 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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