Let A - -8 3 1- 4 7 2 -What is the order of matrix A-1 mark-

Given, A=[ 8 amp;3 nbsp; amp;1; 4 nbsp; nbsp; amp;7 nbsp; amp;2 nbsp; ] Matrix A has two rows and three columns. ∴The order of matrix A is 2× nbsp; 3. ...

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Byju's Answer

Standard IX

Mathematics

Scalar Multiplication of a Matrix

Let A =[ -8 3...

Question

$Let A = [\begin{matrix} - 8 & 3 & 1 4 & 7 & 2 \end{matrix}] What is the order of matrix A?$

[1 mark]

3 \times 2

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3 \times 3

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2 \times 3

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3 \times 1

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Solution

The correct option is C $2 \times 3$
Given,
$A = [\begin{matrix} - 8 & 3 & 1 4 & 7 & 2 \end{matrix}]$
$Matrix A has two rows and three columns.$
$∴ The order of matrix A is 2 \times 3$ .

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Let A=[−831472]What is the order of matrix A? [1 mark]

The correct option is C 2×3Given, A=[−831472] Matrix A has two rows and three columns. ∴The order of matrix A is 2×3.

$Let A = [\begin{matrix} - 8 & 3 & 1 4 & 7 & 2 \end{matrix}] What is the order of matrix A?$

[1 mark]

The correct option is C $2 \times 3$
Given,
$A = [\begin{matrix} - 8 & 3 & 1 4 & 7 & 2 \end{matrix}]$
$Matrix A has two rows and three columns.$
$∴ The order of matrix A is 2 \times 3$ .