Question

1. Consider three vectors: ( 8 marks) C i j k B i j k A...

1. Consider
three
vectors:
(
8
marks)
C i j k
B i j k
A i j k
0ˆ 3 ˆ 5 ˆ
2ˆ 7 ˆ 1ˆ
4ˆ 6 ˆ 2 ˆ
= + +
= + −
= + −
!
!
!
1.1 Evaluate
D=
2A+B?
(2
marks)
1.2 Evaluate
2A•(-­‐B)
(2
marks)
1.3 Find
the
angle
between
D
and
2C
using
cross
product
method
(4
marks

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