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A plane meets the coordinate axes in A ,...

A plane meets the coordinate axes in `A ,B ,C` such that eh centroid of triangle `A B C` is the point `(p ,q ,r)dot` Show that the equation of the plane is `x/p+y/q+z/r=3.`

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The correct Answer is:
`(x)/(p)+(y)/(q)+(z)/(c)=3`
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