The equation of the plane passing through the point (-1, 2, 1) and perpendicular to the line joining the points (-3, 1, 2) and (2, 3, 4) is · · · · · ·
A. `barr.(5hati+2hatj+2hatk)=-5`
B. `barr.(5hati+2hatj+2hatk)=4`
C. `barr.(5hati+2hatj+2hatk)=1`
D. `barr.(5hati+2hatj+2hatk)=2`