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If P(3 sec theta,2 tan theta) and Q(3 se...

If `P(3 sec theta,2 tan theta)` and `Q(3 sec phi , 2 tan phi)` where `theta+pi=(phi)/(2)` be two distainct points on the hyperbola then the ordinate of the point of intersection of the normals at p and Q is

A

`11/3`

B

`-11/3`

C

`13/2`

D

`-13/2`

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