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Find the ratio in which the segment join...

Find the ratio in which the segment joining the points (4,8,10) and (6,10,-8) is divided by the yz-plane.

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Let the `YZ`-plane divide the line segment joining the points `(4,8,10) and (6,10,-8)` in the ratio k:1 at the point P.
The x-coordinate of the point P is given by
`x=(4+6k)/(k+1)`
Since P lies on the YZ plane, `x=0`
...
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