Multiple choice question II — task. Mathematics State Board, Class 10.

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$A =$

$(\begin{array}{l} 1 & 2 & 3 \\ 3 & 2 & 1 \end{array})$ ,

$B =$

$(\begin{array}{l} 1 & 0 \\ 2 & - 1 \\ 0 & 2 \end{array})$ and

$C =$

$(\begin{array}{l} 0 & 1 \\ - 2 & 5 \end{array})$ . Which of the following statements is correct?

(i)

$AB + C = (\begin{array}{l} 5 & 5 \\ 5 & 5 \end{array})$

(ii)

$BC = (\begin{array}{l} 0 & 1 \\ 2 & - 3 \\ - 4 & 10 \end{array})$

(iii)

$BA + C = (\begin{array}{l} 2 & 5 \\ 3 & 0 \end{array})$

(iv)

$(AB) C = (\begin{array}{l} - 8 & 20 \\ - 8 & 13 \end{array})$

Did you find an error?

2. Multiple choice question II