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| 1. |
A plane meets the coordinate axes at points A,B,C such that the centroid of the △ABC is (α,β,γ). Show that the equation of the plane is xα+yβ+zγ=3 . |
| Answer» A plane meets the coordinate axes at points A,B,C such that the centroid of the △ABC is (α,β,γ). Show that the equation of the plane is xα+yβ+zγ=3 . | |