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Let P(a sec theta , b tan theta ) and Q...

Let ` P(a sec theta , b tan theta ) and Q(a sec phi , b tan phi)` where ` theta + phi = (pi)/(2) ` be two point on the hyperbola ` (x^(2))/(a^(2)) - (y^(2))/(b^(2)) =1 ` .If ( h, k) be the point of intersection of the normals at P and Q , then the value of k is -

A

`(a^(2) +b^(2))/(a) `

B

`-(a^(2) +b^(2))/(a) `

C

`(a^(2) +b^(2))/(b) `

D

`-(a^(2) +b^(2))/(b) `

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The correct Answer is:
D
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CHHAYA PUBLICATION-MCQ ZONE 3 -Question Paper 8
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