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If the equation of the tangent to the ci...

If the equation of the tangent to the circle `x^2+y^2-2x+6y-6=0` parallel to `3x-4y+7=0` is `3x-4y+k=0`, then the values of k are

A

`5,-35`

B

`-5,35`

C

`7,-32`

D

`-7,32`

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