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Let C be a curve which is the locus of t...

Let `C` be a curve which is the locus of the point of intersection of lines `x=2+m` and `m y=4-mdot` A circle `s: (x-2)^2+(y+1)^2=25` intersects the curve `C` at four points: `P ,Q ,R ,a n dS` . If `O` is center of the curve `C ,` then `O P^2+O Q^2+O R^2+O S^2` is (a) `50` (b) `100` (c) `25` (d) `(25)/2`

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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