If A - begin bmatrix 182 - 3 -2 - 3 -13 - 1 - 211lendbmatrix and I is a unit matrix of 3rd order- then A 2-9 I equalsA- 4 AB- None of theseC- 6 AD- 2 A

The correct option is B None of these A = [ 1 amp;2 amp;3; 2 amp;3 amp; 1; 3 amp; 1 amp; 2; ]⇒ A.A = A^2 = [ 6 amp;11 ...

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Multiplication of Matrices

If A = begin ...

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If $A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 - 2 & 3 & - 1 3 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦$ and I is a unit matrix of $3^{r d}$ order, then $(A^{2} + 9 I)$ equals

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None of these

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Similar questions

A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 - 2 & 3 & - 1 3 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦

3^{r d}

(A^{2} + 9 I)

A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 - 2 & 3 & - 1 3 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦

3^{r d}

(A^{2} + 9 I)

A = ⎡ ⎢ ⎣ \begin{matrix} - 1 & 2 & 3 - 2 & 3 & - 1 3 & 1 & 2 \end{matrix} ⎤ ⎥ ⎦

I

3

A^{2} + 9 I

A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 2 2 & 1 & - 2 a & 2 & b \end{matrix} ⎤ ⎥ ⎦

A A^{T} = 9 I

I

3 \times 3

(a, b)

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

I

2

A^{2} - 4 A + 5

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