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The line x+y=1 meets the lines represent...

The line x+y=1 meets the lines represented by equation `y^2-6cy^2+11x^2y-6z^3=0` at the points P,Q,R. If O is the origin, then `(OP)^2+(OQ)^2+(OR)^2` is equal to

A

`87/72`

B

`121/72`

C

`211/72`

D

`217/72`

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The correct Answer is:
B
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