Post Utme Coal City University 2021 Mathematics Question 13

Practice objective / multiple choice question 13 from the 2021 Post Utme Coal City University Mathematics examination.

Post Utme Coal City University 2021 Mathematics Objective / Multiple Choice
Question 13 POST_UTME_COAL_CITY_UNIVERSITY • 2021 • MATHEMATICS • objective

If the matrix A = \begin{bmatrix} 2 & 1 \\ 4 & 3 \end{bmatrix} and B = \begin{bmatrix} 1 & 2 \\ 3 & 4 \end{bmatrix}, find the product AB.

Answer Options

Correct Answer A. \begin{bmatrix} 5 & 8 \\ 11 & 16 \end{bmatrix}
B. \begin{bmatrix} 7 & 10 \\ 13 & 18 \end{bmatrix}
C. \begin{bmatrix} 9 & 12 \\ 15 & 20 \end{bmatrix}
D. \begin{bmatrix} 11 & 14 \\ 17 & 22 \end{bmatrix}
Correct Answer
A
Correct Option:
\begin{bmatrix} 5 & 8 \\ 11 & 16 \end{bmatrix}

About This Question

This is Post Utme Coal City University 2021 Mathematics Question 13. It is one of the objective questions from the 2021 Post Utme Coal City University Mathematics examination.

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