ECZ 2012 · O-Level Paper 1 — Matrices
Given that A = 1-345 and B = 93-126, find A - (13)B.
- A. -8-6163
- B. -2-403
- C. -2-483
- D. 4-207
Verified working — step 1
(13)B = 31-42. Subtracting entry by entry: 1 - 3-3 - 14 + 45 - 2 = …The full step-by-step working and final answer 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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question