4 Find the equation of the line which passes through the point (1, 2, 3) and is
parallel to the vector 
ˆ
ˆ
ˆ
3
2
2
i
j
k
+
− 5 Find the equation of the line in vector and in cartesian form that passes through
the point with position vector 
ˆ
2ˆ
4
i
j
k
−
+
and is in the direction 
ˆ
ˆ
2ˆ
i
j
k
+
−