CAPE Pure Mathematics Unit 1 · May/June 2009 · Paper 1 · Question Q27
If p = 2\mathbf{i} + \mathbf{j} and q = \lambda\mathbf{i} + 6\mathbf{j} are perpendicular vectors, then the value of \lambda is
- (A)
-3 - (B)
-1 - (C)0
- (D)2
The answer is shown once you've answered.
Practise this question