Algebra Archive: Questions from July 31, 2022
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\[ A=\left[\begin{array}{c} 5 \\ -4 \end{array}\right] \quad B=\left[\begin{array}{llll} 2 & 4 & 6 & 9 \end{array}\right] \] (a) Find \( A B \) if possible. (b) Find \( B A \) if possible. (c) Find \(3 answers -
Find BA if possible
\[ A=[7] \quad B=\left[\begin{array}{lll} 3 & 3 & 2 \end{array}\right] \] (a) Find \( A B \) if possible. (b) Find \( B A \) if possible.3 answers -
(c) find A^2 if possible
\[ A=[7] \quad B=\left[\begin{array}{lll} 3 & 3 & 2 \end{array}\right] \] (a) Find \( A B \) if possible. (b) Find \( B A \) if possible. (c) Find \( A^{2} \) if possible. \( \left(\right. \) Hint \(1 answer