If P = \(\begin{pmatrix} 5 & 3 \\ 2 & 1 \end{pmatrix}\) and Q =
MATHEMATICS
JAMB 2013
If P = \(\begin{pmatrix} 5 & 3 \\ 2 & 1 \end{pmatrix}\) and Q = \(\begin{pmatrix} 4 & 2 \\ 3 & 5 \end{pmatrix}\), find 2P + Q
- A. \(\begin{vmatrix} 7 & 7 \\ 14 & 8 \end{vmatrix}\)
- B. \(\begin{vmatrix} 14 & 8 \\ 7 & 7 \end{vmatrix}\)
- C. \(\begin{vmatrix} 7 & 7 \\ 8 & 14 \end{vmatrix}\)
- D. \(\begin{vmatrix} 8 & 14 \\ 7 & 7 \end{vmatrix}\)
Correct Answer: B. \(\begin{vmatrix} 14 & 8 \\ 7 & 7 \end{vmatrix}\)
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