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The equation of the line which is tangen...

The equation of the line which is tangent to both the circle `x^(2)+y^(2)=50` and the parabola `y^(2)=40 x` is

A

`2x-y pm 5=0`

B

`2x-y+5=0`

C

`2x-y-5=0`

D

`2x+y+5=0`

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The correct Answer is:
A
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