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If a point R ( 4, y, z ) lies on th...

If a point ` R ( 4, y, z ) ` lies on the line segment joining the points ` P ( 2, - 3, 4 ) ` and ` Q ( 8, 0, 10) ` then the distance of R from the origin is:

A

`2sqrt(14)`

B

6

C

`2sqrt(21)`

D

`sqrt(53)`

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The correct Answer is:
A
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