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Linear Algebra CourseInverse matrix

Inverse of a 2x2 matrix

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Lecture

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Exercise
Very easy1 / 20

Decide whether matrix

(−2−312)\left(\begin{array}{cc}-2 & -3\\[0.1em]1 & 2\end{array}\right)

is regular or not. If it is regular, find the inverse.

Answer

If the matrix is regular enter the inverse, if not enter singular.

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