Search SchoolNGR

Thursday, 02 July 2026
Register . Login

Evaluate \(\begin{pmatrix} 2 3 \\ 4 1 \end{pmatrix} \begin{pmatrix} 2 \\ 3 ...

Evaluate \(\begin{pmatrix} 2 & 3 \\ 4 & 1 \end{pmatrix} \begin{pmatrix} 2 \\ 3 \end{pmatrix}\).
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A (13, 11)
  • B (11, 13)
  • C \(\begin{pmatrix} 13 \\ 11 \end{pmatrix}\)
  • D \(\begin{pmatrix} 11 \\ 13 \end{pmatrix}\)
Correct Answer: Option C
Explanation:
\(\begin{pmatrix} 2 & 3 \\ 4 & 1 \end{pmatrix} \begin{pmatrix} 2 \\ 3 \end{pmatrix}\)
= \(\begin{pmatrix} 2 \times 2 + 3 \times 3 \\ 4 \times 2 + 1 \times 3 \end{pmatrix}\)
= \(\begin{pmatrix} 13 \\ 11 \end{pmatrix}\)

Share question on: