EXERCISE 10 2
1 Compute the magnitude of the following vectors:
1
1
1
ˆ
ˆ
ˆ
ˆ
ˆ
ˆ
ˆ
ˆ
;
2
7
3 ;   
3
3
3
a
i
j
k
b
i
j
k
c
i
j
k
= +
+
=
−
−
=
+
−
r
r
r
2 Write two different vectors having same magnitude