A line with positive direction cosines p...

A line with positive direction cosines passes through the point `P(2, – 1, 2)` and
makes equal angles with the coordinate axes. The line meets the plane `2x + y + z = 9`
at point Q. The length of the line segment `PQ` equals

A

1

B

`sqrt(2)`

C

`sqrt(3)`

D

2

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The correct Answer is:

C

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