3-d

Question: The point dividing the line joining the points $(1,\,\,2,\,\,3)$and $(3,\,\,-5,\,\,6\,)$ in the ratio $3:\,-5$ is

1) $\left( 2,\,\frac{-25}{2},\,\frac{3}{2} \right)$

2) $\left( -2,\,\frac{25}{2},\,\frac{-3}{2} \right)$

3) $\left( 2,\,\,\frac{25}{2},\,\frac{3}{2} \right)$

4) None of these

Solution:

Explanation: No Explanation

System of co-ordinates Direction cosines and direction ratios Projection

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