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Problem
Problem
Find magnitude of
A
−
2
B
+
3
C
\mathbf{A} - 2\mathbf{B} + 3\mathbf{C}
A
−
2
B
+
3
C
, where,
A
=
2
i
^
+
3
j
^
\mathbf{A} = 2\hat{i} + 3\hat{j}
A
=
2
i
^
+
3
j
^
,
B
=
i
^
+
j
^
\mathbf{B} = \hat{i} + \hat{j}
B
=
i
^
+
j
^
and
C
=
k
^
\mathbf{C} = \hat{k}
C
=
k
^
.
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