The equation of the common tangent to x^...

The equation of the common tangent to `x^2+y^2=8` and `y^2=16x` is

A

`y=+-(x+2)`

B

`y=+-(x+4)`

C

2x+3y+36=0

D

3x+2y+24=0

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The correct Answer is:

B

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