ECZ 2019 · O-Level Paper 1 — Matrices
The transpose of a matrix A is (-1 4 5). Find the matrix A.
- A. -145
- B. -145
- C. 54-1
- D. -154
Verified working — step 1
Transposing twice brings a matrix back - so A is simply the transpose of the given transpose.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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