Find the matrix AB + BA.

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If A = \begin{bmatrix} -1 & \quad 3 \\ 2 & \quad 4 \end{bmatrix}, B = \begin{bmatrix} 2 & \quad -3 \\ -4 & \quad -6 \end{bmatrix} find the matrix AB + BA

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 8 Matrices Ex 8.3

A = \begin{bmatrix} 1 & \quad 2 \\ 3 & \quad 4 \end{bmatrix} and B = \begin{bmatrix} 6 & \quad 1 \\ 1 & \quad 1 \end{bmatrix}, C = \begin{bmatrix} -2 & \quad -3 \\ 0 & \quad 1 \end{bmatrix}
find each of the following and state if they are equal.
(i) CA + B
(ii) A + CB

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 8 Matrices Ex 8.3

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