The equation of the plane perpendicular ...

The equation of the plane perpendicular to the line `(x-1)/(1)=(y-2)/(-1)=(z+1)/(2)` and passing through the point (2,3,1) is a)`vecr(hati+hatj+2hatk)=1` b)`vecr(hati-hatj+2hatk)=1` c)`vecr(hati-hatj+2hatk)=7` d)`vecr(hati+hatj-2hatk)=10`

A

`vecr*(hati+hatj+2hatk)=1`

B

`vecr*(hati-hatj+2hatk)=1`

C

`vecr*(hati-hatj+2hatk)=7`

D

`vecr*(hati+hatj-2hatk)=10`

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The correct Answer is:

B

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