If - 1 2- 3 4 - 3 1- 2 5 - 7 11- K 23 - find the value of k-

[ 1 amp; 2; 3 amp; 4 ][ 3 amp; 1; 2 amp; 5 ]=[ 7 amp; 11; k amp; 23 ] [ 3+4 amp; 1+10; 9+8 amp; 3+20 ]=[ ...

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Multiplication of Matrices

If [ 1 2; 3...

Question

If $[\begin{matrix} 1 & 2 3 & 4 \end{matrix}] [\begin{matrix} 3 & 1 2 & 5 \end{matrix}] = [\begin{matrix} 7 & 11 K & 23 \end{matrix}]$ find the value of $k$ .

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[\begin{matrix} 1 & 2 \\ 3 & 4 \end{matrix}] [\begin{matrix} 3 & 1 \\ 2 & 5 \end{matrix}] = [\begin{matrix} 7 & 11 \\ k & 23 \end{matrix}]

K

x

X = x_{1} : 123

p (X = x_{1}) : \frac{1}{k^{2}} \frac{2}{k^{2}} \frac{3}{k^{2}}

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

A (adj A) = K I

K

A = [\begin{matrix} 1 & 2 3 & 4 \end{matrix}],

| 2 A |

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

A \cdot A^{'}

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