If - 1 2 3- 4 5 6- 7 1 0 -B- 1 0 0- 0 3 0- 0 4 5 - TrBA-

The correct option is A 40 A=[ 1 amp; 2 amp; 3 4 amp; 5 amp; 6 7 amp; 1 amp; 0 ] ,B=[ 1 amp; 0 amp; 0 0 ...

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Inverse of a Matrix

If [ 1 2 3;...

Question

If $⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 1 & 0 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & 0 0 & 3 & 0 0 & 4 & 5 \end{matrix} ⎤ ⎥ ⎦$ , $T r (B A)$ =______

40

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45

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39

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5

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A =

⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 1 & 0 \end{matrix} ⎤ ⎥ ⎦

B = ⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & 0 0 & 3 & 0 0 & 4 & 5 \end{matrix} ⎤ ⎥ ⎦

A = ⎡ ⎢ ⎣ \begin{matrix} 1 & 2 & 3 4 & 5 & 6 7 & 1 & 0 \end{matrix} ⎤ ⎥ ⎦, B = ⎡ ⎢ ⎣ \begin{matrix} 1 & 0 & 0 0 & 3 & 0 0 & 4 & 5 \end{matrix} ⎤ ⎥ ⎦, Trace (B A)

4 hr 20 minutes 15 sec

40 - (- 39) + (- 5) > 40 + (- 39) - (- 5)

\frac{- 39}{3} \times \frac{19}{5} \times \frac{- 45}{38}

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