TBQ - Find the sum — task. Maths TNSB Mentoring, Class 10 Crash course.

If \(A =\)

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

, \(B =\)

(\begin{array}{l} 4 & 11 & - 3 \\ - 1 & 2 & 4 \\ 7 & 5 & 0 \end{array})

then find \(2A + B\).

Answer:

\(2A + B =\)

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

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5. TBQ - Find the sum