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If parabolas y^2=lambdax and 25[(x-3)^2+...

If parabolas `y^2=lambdax` and `25[(x-3)^2+(y+2)^2]=(3x-4y-2)^2` are equal, then the value of `lambda` is (a) 9 (b) 3 (c) 7 (d) 6

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