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P=(0,1,0),Q=(0,0,1) then projection of b...

`P=(0,1,0),Q=(0,0,1)` then projection of `bar(PQ)` on the plane `x+y+z=3` is

A

`sqrt(2)`

B

`-sqrt(2)`

C

`2sqrt(2)`

D

`3sqrt(2)`

Text Solution

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The correct Answer is:
A
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