Compute 3A + 4B.

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If A = \begin{bmatrix} 1 & 4 \\ 2 & 3 \end{bmatrix} and B = \begin{bmatrix} 1 & 2 \\ 3 & 1 \end{bmatrix}
Compute 3A + 4B

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 8 Matrices Ex 8.2

Given A = \begin{bmatrix} 1 & 4 \\ 2 & 3 \end{bmatrix} and B = \begin{bmatrix} -4 & -1 \\ -3 & -2 \end{bmatrix}
(i) find the matrix 2A + B
(ii) find a matrix C such that C + B = \begin{bmatrix} 0 & 0 \\ 0 & 0 \end{bmatrix}

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 8 Matrices Ex 8.2

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