If A = \begin{bmatrix} 3 & -1 \\ 2 & 4 \end{bmatrix}, B = \begin{bmatrix} 1 & 2 \\ -3 & 0 \end{bmatrix}. Find X such that 2X +3A

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If A =

$\begin{bmatrix} 3 & -1 \\ 2 & 4 \end{bmatrix}$ , B =

$\begin{bmatrix} 1 & 2 \\ -3 & 0 \end{bmatrix}$ . Find X such that 2X +3A - 4B = I.

written 5.6 years ago by

teamques10 ★ 69k

modified 3.0 years ago by

pedsangini276 • 4.8k

engineering mathematics

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1 Answer

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written 5.6 years ago by

teamques10 ★ 69k

Solution:

2X + 3A -4B = I

2X + 3

$\begin{bmatrix} 3 & -1 \ 2 & 4 \end{bmatrix}$ - 4

$\begin{bmatrix} 1 & 2 \ -3 & 0 \end{bmatrix}$ =

$\begin{bmatrix} 1 & 0 \ 0 & 1 \end{bmatrix}$

2X + \begin{bmatrix} 9 & -3 \ 6 & 12 …

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