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let Q be the foot of perpendicular from ...

let `Q` be the foot of perpendicular from the origin to the plane `4x-3y+z+13=0` and `R` be a point `(-1,1,-6)` on the plane then length `QR` is

A

`sqrt(14)`

B

`sqrt(19//2)`

C

`3sqrt(7//2)`

D

`3//sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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