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Problem
Problem
Deduce the condition for the vectors
2
i
^
+
3
j
^
−
4
k
^
2\hat{i} + 3\hat{j} - 4\hat{k}
2
i
^
+
3
j
^
−
4
k
^
and
3
i
^
−
a
j
^
+
b
k
^
3\hat{i} - a\hat{j} + b\hat{k}
3
i
^
−
a
j
^
+
b
k
^
to be parallel.
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