13 Find the equation of the plane passing through the point (– 1, 3, 2) and perpendicular
to each of the planes x + 2y + 3z = 5 and 3x + 3y + z = 0 14 If the points (1, 1, p) and (– 3, 0, 1) be equidist ant from the plane
ˆ
ˆ
ˆ
(3
4
12 )
13
0,
⋅ + −
+ =
rr
i
j
k
then find the value of p