The plane \[ax+by+cz=1\]meets the co-ordinate axes in A, B and C. The centroid of the triangle is [CET 1992]

\[\left( \frac{a}{3},\frac{b}{3},\frac{c}{3} \right)\]

\[\left( \frac{3}{a},\frac{3}{b},\frac{3}{c} \right)\]

\[\left( \frac{1}{3a},\frac{1}{3b},\frac{1}{3c} \right)\]

The plane \[ax+by+cz=1\]meets the co-ordinate axes in A, B and C. The

1.	The plane \[ax+by+cz=1\]meets the co-ordinate axes in A, B and C. The centroid of the triangle is [CET 1992]
A.	\[(3a,3b,3c)\]
B.	\[\left( \frac{a}{3},\frac{b}{3},\frac{c}{3} \right)\]
C.	\[\left( \frac{3}{a},\frac{3}{b},\frac{3}{c} \right)\]
D.	\[\left( \frac{1}{3a},\frac{1}{3b},\frac{1}{3c} \right)\]
Answer» E.

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The plane \[ax+by+cz=1\]meets the co-ordinate axes in A, B and C. The centroid of the triangle is [CET 1992]

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