CSEC Additional Mathematics · 2015 · Paper 1 · Question Q26
The position vector of the point P relative to an origin O is given as \mathbf{p} = 5\mathbf{i} + 2\mathbf{j} and the position vector of Q relative to an origin O is given as \mathbf{q} = -4\mathbf{i} + 10\mathbf{j}.
Which of the following statements is TRUE?
- (A)
\mathbf{p}and\mathbf{q}are parallel. - (B)The acute angle between
\mathbf{p}and\mathbf{q}is60^\circ. - (C)
\mathbf{p}and\mathbf{q}are perpendicular. - (D)The acute angle between
\mathbf{p}and\mathbf{q}is45^\circ.
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