Solve the matrix, then find AB – 5C.

by

If A = \begin{bmatrix} 3 & \quad 7 \\ 2 & \quad 4 \end{bmatrix}, B = \begin{bmatrix} 0 & \quad 2 \\ 5 & \quad 3 \end{bmatrix} and C = \begin{bmatrix} 1 & \quad -5 \\ -4 & \quad 6 \end{bmatrix}
Find AB – 5C

Solution:

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

If A = \begin{bmatrix} 1 & \quad 2 \\ 2 & \quad 1 \end{bmatrix} and B = \begin{bmatrix} 2 & \quad 1 \\ 1 & \quad 2 \end{bmatrix}, find A(BA)

Solution:

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

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