# Matrix - problems

- The inverse

The inverse matrix for matrix A has a determinant value of 0.333. What value has a determinant of the matrix A? - The determinant

The determinant of the unit matrix equals 7. Check how many rows the A matrix contains. - Inverse matrix

Find how many times is the larger determinant is the matrix A, which equals 9 as the determinant of its inverse matrix. - Inverse matrix

Find out inverse by Gauss elimination or by reduction method. A=[2/3. 1 -3. 1/3]

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