CAPE Pure Mathematics Unit 1 · May/June 2010 · Paper 1 · Question Q20
The vector \mathbf{a} is given as 5\mathbf{i} + 12\mathbf{j}. A unit vector parallel to \mathbf{a} is
- (A)
195\mathbf{i} + 468\mathbf{j} - (B)
15\mathbf{i} + 36\mathbf{j} - (C)
\frac{1}{13}(5\mathbf{i} + 12\mathbf{j}) - (D)
\frac{3}{13}(5\mathbf{i} + 12\mathbf{j})
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