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Question 1201b
Vectors I: Basics, Dot and Cross Products
Unit Vectors
Question
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Find
a
^
,
{\mathbf{\hat{a}},}
a
^
,
the unit vector in the direction of
a
=
2
i
+
6
j
+
9
k
.
\mathbf{a} = 2 \mathbf{i} + 6 \mathbf{j} + 9 \mathbf{k}.
a
=
2
i
+
6
j
+
9
k
.
Attempt
a
^
=
{\hat{a}= }
a
^
=
(
{\Biggl(}
(
)
{\Biggr)}
)
Answer
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