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Question

Mathematics Question on Matrices

Find the inverse of each of the following matrices by using elementary row transformations. [33 25]\begin{bmatrix}3&3\\\ 2&5\end{bmatrix}

A

19[4−3 −23]\frac{1}{9}\begin{bmatrix}4&-3\\\ -2&3\end{bmatrix}

B

19[5−3 −24]\frac{1}{9}\begin{bmatrix}5&-3\\\ -2&4\end{bmatrix}

C

19[5−3 −23]\frac{1}{9}\begin{bmatrix}5&-3\\\ -2&3\end{bmatrix}

D

19[−5−3 −23]\frac{1}{9}\begin{bmatrix}-5&-3\\\ -2&3\end{bmatrix}

Answer

19[5−3 −23]\frac{1}{9}\begin{bmatrix}5&-3\\\ -2&3\end{bmatrix}

Explanation

Solution

Answer (c) 19[5−3 −23]\frac{1}{9}\begin{bmatrix}5&-3\\\ -2&3\end{bmatrix}