Equation of line touching both parabolas...

Equation of line touching both parabolas `y^(2)=4x` and `x^(2) = -32y` is a) x+2y + 4 =0 b) 2x +y4 =0 c) x-2y-4 =0 d) x-2y+4 =0

A

x+2y + 4 =0

B

2x +y4 =0

C

x-2y-4 =0

D

x-2y+4 =0

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The correct Answer is:

D

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