[tex]2A = \left[\begin{array}{ccc}8&18\\26&10\end{array}\right][/tex]
Step-by-step explanation:
Given
[tex]A = \left[\begin{array}{ccc}4&9\\13&5\end{array}\right][/tex]
We have to find 2A which means all the elements of the matrix have to be multiplied by the integer 2
So,
[tex]2A = 2\left[\begin{array}{ccc}4&9\\13&5\end{array}\right]\\= \left[\begin{array}{ccc}2(4)&2(9)\\2(13)&2(5)\end{array}\right]\\=\left[\begin{array}{ccc}8&18\\26&10\end{array}\right][/tex]
Hence,
[tex]2A = \left[\begin{array}{ccc}8&18\\26&10\end{array}\right][/tex]
Keywords: Matrices, Multiplication of matrices
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