ECZ 2022 · O-Level Paper 1 — Matrices
The matrix M = 1527 and the matrix N = 0120. Find (b) NM.
- A. 27210
- B. 10272
- C. 0540
- D. 15414
Verified working — step 1
Order matters in matrix multiplication: NM means each ROW of N runs along each COLUMN of M.The full step-by-step working and final answer, plus the video lesson for this topic, are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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