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The focal distance of the point (other t...

The focal distance of the point (other than the origin) on the parabola `y^(2)=32 x` whose ordinate is twice the abseissa is

A

8

B

16

C

32

D

4

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The correct Answer is:
B
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  13. The common tangent to the parabolas y^(2)=8 x and x^(2)=8 y is

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