CAPE Pure Mathematics Unit 1 · May/June 2011 · Paper 1 · Question Q27
If \mathbf{p} = 2\,\mathbf{i} + \mathbf{j} and \mathbf{q} = \lambda\,\mathbf{i} + 6\,\mathbf{j} are perpendicular vectors, then the value of \lambda is
- (A)
-3 - (B)
-1 - (C)
0 - (D)
2
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