ECZ 2011 · O-Level Paper 1 — Matrices
Express as a single matrix 4-3 2-1.
- A. 8-6-43
- B. 83
- C. 11
- D. 8-4-63
Verified working — step 1
A 2 x 1 matrix times a 1 x 2 matrix gives a 2 x 2 matrix: 4 x 24 x -1-3 x 2-3 x -1 = …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
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