MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 7

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If $A = [\begin{array}{l} 1 & 2 & 3 \\ 0 & 4 & 2 \\ 0 & 0 & 6 \end{array}]$ , then the minor of the element $a_{31}$ is

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Important Questions on Matrices

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 8

If

A = [\begin{matrix} 1 & 1 & 1 \\ 2 & 1 & - 3 \\ - 1 & 2 & 3 \end{matrix}]

, then

M_{23}

is

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 9

The co-factor

A_{12}

for the matrix

A = [\begin{matrix} - 2 & 3 \\ - 3 & 5 \end{matrix}]

is

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 10

If

B = [\begin{matrix} 2 & 3 \\ - 4 & 3 \end{matrix}]

, then co-factor

A_{21}

is

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 11

If

A = [\begin{matrix} 2 & - 1 & 3 \\ 4 & 2 & 5 \\ 0 & 4 & - 1 \end{matrix}]

, then co-factor

A_{32}

is

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 12

If

A = [\begin{matrix} 1 & 1 & 1 \\ 2 & 1 & - 3 \\ - 1 & 2 & 3 \end{matrix}]

, then co-factors of

3^{r d}

row are

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MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 13

If

A = [\begin{matrix} - 1 & 5 \\ - 3 & 2 \end{matrix}]

, then

a d j (A)

is

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MHT-CET

IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 14

The adjoint of matrix

[\begin{matrix} 1 & - 4 \\ 3 & 2 \end{matrix}]

is

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IMPORTANT

MHT-CET TRIUMPH Mathematics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 10 - Matrices>Classical Thinking>Q 15

If

A = [\begin{matrix} 1 & 0 & 0 \\ 3 & 3 & 0 \\ 5 & 2 & - 1 \end{matrix}]

, then

a d j (A)

is