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Please help! Correct answer only, please! Find the following product if possible. Explain if it is not possible. A. B. C. D.

Please help! Correct answer only, please! Find the following product if possible. Explain-example-1
User YounesM
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1 Answer

4 votes

Answer: B


=\begin{pmatrix}7&13\\ 19&18\end{pmatrix}

Explanation:


\begin{pmatrix}1&3\\ -2&5\end{pmatrix}\begin{pmatrix}-2&1\\ 3&4\end{pmatrix}=\begin{pmatrix}1\cdot \left(-2\right)+3\cdot \:3&1\cdot \:1+3\cdot \:4\\ \left(-2\right)\left(-2\right)+5\cdot \:3&\left(-2\right)\cdot \:1+5\cdot \:4\end{pmatrix}=\begin{pmatrix}7&13\\ 19&18\end{pmatrix}

User Hashim Aziz
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