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Tangents are drawn to the circle x^2+y^2...

Tangents are drawn to the circle `x^2+y^2=4` from P(3,4) to touch it at A and B. The parallelogram PAQB is completed. Find the locus of f the point Q.

A

`-46/25,63/25`

B

`-46/25,68/25`

C

`-51/25,-68/25`

D

`-68/25,51/25,`

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`(x^2+y^2)(y+4)=2y^2`
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