MATHEMATICS Discuss

If P=5321andQ=4235, find 2P + Q.

Question 22

If $P = [\begin{matrix} 5 & 3 \\ 2 & 1 \end{matrix}]$ and $Q = [\begin{matrix} 4 & 2 \\ 3 & 5 \end{matrix}]$ , find 2P + Q.

$[\begin{matrix} 14 & 8 \\ 7 & 7 \end{matrix}]$

$[\begin{matrix} 7 & 7 \\ 8 & 14 \end{matrix}]$

$[\begin{matrix} 8 & 14 \\ 7 & 7 \end{matrix}]$

$[\begin{matrix} 7 & 7 \\ 14 & 8 \end{matrix}]$

Explanation

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Correct option: A

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1 Comment(s)

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Oluwaseyi Odelola .M. said on February 2, 2021 11:28am

2 14 8
7. 7

Oluwaseyi Odelola .M. replied on February 2, 2021 11:37am

2 × 5 3
2 1
10 6 Plus 4 2
4 2. 3 5

1st row 1st column added,
1st row 2nd column added,
2nd row 1st column added,
2nd row 2nd column added
Therefore,
10 + 4 6+ 2
4 + 3 2 + 5

14 8
7 7

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MATHEMATICS Discuss

If P=5321andQ=4235, find 2P + Q.

Explanation

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MATHEMATICS Discuss

If P=5321andQ=4235, find 2P + Q.

Explanation

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