Find the equation of t he plane through the intersection of the planes
3x – y + 2z – 4 = 0 and x + y + z – 2 = 0 and the point (2, 2, 1) 10 Find the vector equation of the plane passing through the intersection of the
planes 
ˆ
ˆ
ˆ (2
2
3
)
7
r
i
j
k
+
−
=
r
, 
ˆ
ˆ
ˆ