CAPE Pure Mathematics Unit 2 · May/June 2017 · Paper 1 · Question Q39
The planes represented by the equations
\begin{aligned} 2x + y - z &= 4 \\ x + y + z &= 1 \\ 3x - 2y - z &= 2 \end{aligned}
I. are inconsistent
II. are not parallel
III. have a unique solution
- (A)I only
- (B)I and III only
- (C)II and III only
- (D)I, II and III
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