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The tangent to the hyperbola xy=c^2 at t...

The tangent to the hyperbola `xy=c^2` at the point P intersects the x-axis at T and the y-axis at T. The normal to the hyperbola at P intersects the x-axis at N and the y-axis at N. The areas of the triangles PNT and PNT are `Delta` and `Delta` respectively, then
`(1)/(Delta)+(1)/(Delta)` is

A

equal to 1

B

depends on t

C

depends on c

D

equal 2

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The correct Answer is:
C
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