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Find the coordinates of a point which di...

Find the coordinates of a point which divides the join of `P(2,-1,4)` and `Q(4,3,2)` in the ratio `2: 3` externally.

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x=2 xx 4-3 xx 22-3, y=2 xx 3-3 xx-12-3 , z=2 xx 2-3 xx 42 1111 3. .rarr x=-2, y=-9, z=8. So, required point is .R(-2,-9,8).
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V PUBLICATION-INTRODUCTION TO THE DIMENSIONAL GEOMETRY-Question Bank
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