The vector equation of a plane is a rela...

The vector equation of a plane is a relation satisfied by position vectors of all the points on the plane. If P is a plane and `hat(n)` is a unit vector through origin which is perpendicular to the plane P then vector equation of the plane must be `rcdothat(n)=d` where d represents perpendicular distance of plane p from origin
Q. If b be the foot of perpendicular from A to the plane `rcdothat(n)=d`, then b must be

A

`|d+ahat(n)|`

B

`|d-ahat(n)|`

C

`|a-d|`

D

`|d-hat(a)|`

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The correct Answer is:

(b)

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