Question:
Mark against the correct answer in each of the following:
The equation of the plane passing through the intersection of the planes $3 x-y+2 z-4=0$ and $x+y+z-2=0$ and passing through the point $A(2,2,1)$ is given by
A. $7 x+5 y-4 z-8=0$
B. $7 x-5 y+4 z-8=0$
C. $5 x-7 y+4 z-8=0$
D. $5 x+7 y-4 z+8=0$
Solution:
