ECZ 2015 · O-Level Paper 1 — Matrices

Given that P = 3-412, express P² as a single matrix.

Verified working — step 1

P² means P × P by the row-times-column rule - never square entry by entry.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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