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A tangent to x^(2)=32y meets xy=c^(2)at P & Q. The locus of mid-point of PQ is a parabola whose latus rectum is-

Answer»

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Solution :`therefore(4-x)/(4)=x^(3)-3x+2` ,
`therefore` Sum of roots `(x_(1)+x_(2)+x_(3))=0`
Also we have `Sigmay_(i)=(12-Sigmax_(i))/(4)`


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