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If and , find the modulus and direction cosines of…
MATHEMATICS · Subjective · A Level · Mathematics · Vectors · Vectors
Problem
If
O
P
=
2
i
^
+
3
j
^
−
k
^
\mathbf{OP} = 2\hat{i} + 3\hat{j} - \hat{k}
OP
=
2
i
^
+
3
j
^
−
k
^
and
O
Q
=
3
i
^
−
4
j
^
+
2
k
^
\mathbf{OQ} = 3\hat{i} - 4\hat{j} + 2\hat{k}
OQ
=
3
i
^
−
4
j
^
+
2
k
^
, find the modulus and direction cosines of
P
Q
\mathbf{PQ}
PQ
.
Related theory
Lines in Space
Three-Dimensional Geometry
Vector Operations
Vectors
Direction cosines and ratios
Direction cosines and direction ratios
Vector Algebra
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