Find the locus of midpoint of family of ...

Find the locus of midpoint of family of chords `lamdax+y=5(lamda` is parameter) of the parabola `x^(2)=20y`

A

`y ^(2) = 10(x-5)`

B

`x ^(2) = 10 (y -5)`

C

`x ^(2) +y ^(2) = 25`

D

none of these

Verified by Experts

The correct Answer is:

B

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