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Mathematics
Problem
Find the unit vector parallel to the resultant vector of
2
i
^
+
4
j
^
−
5
k
^
2\hat{i} + 4\hat{j} - 5\hat{k}
2
i
^
+
4
j
^
−
5
k
^
and
i
^
+
2
j
^
+
3
k
^
\hat{i} + 2\hat{j} + 3\hat{k}
i
^
+
2
j
^
+
3
k
^
.
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