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The equation of the plane which makes wi...

The equation of the plane which makes with coordinate axes a triangle with its centroid `(alpha, beta, gamma)` is (A) `alphax+betay+gammaz=3` (B) `x/alpha+y/gamma+z/gamma=1` (C) `alphax+betay+gammaz=1` (D) `x/alpha+y/beta+z/gamma=3`

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