### Question Asked by a Student from EXXAMM.com Team

Q 1367112985.     If the position vector of the points A and B are hat i- hat j+3 hat k and 3 hat i+3 hat j+3 hat k and the equation of a plane is vec r.(5 hat i+2 hat j-7 hat k)+9=0, then the points A and B are?
A

lie on the plane

B

none of these

C

are on opp. sides of the plane.

D

are on the same side of the plane.

#### HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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