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A variable point P is on the circle x^(2...

A variable point P is on the circle `x^(2)+y^(2)=1` on xy plane. From point P, perpendicular PN is drawn to the line `x=y=z` then the minimum length of PN is

A

`sqrt(9/2-2sqrt2)`

B

`sqrt(3-4sqrt2)`

C

`(2sqrt2-1)/sqrt3`

D

`(2sqrt2-1)/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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