Two marks example problem I — task. Mathematics State Board, Class 10.

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If \(A =\)

(\begin{array}{l} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \end{array})

, \(B =\)

(\begin{array}{l} 1 & 7 & 0 \\ 1 & 3 & 1 \\ 2 & 4 & 0 \end{array})

, find \(A + B\).

Answer:

\(A + B\) \(=\)

(\begin{array}{l} i & i & i \\ i & i & i \\ i & i & i \end{array})

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2. Two marks example problem I