Find the inverse of the matrix8 2 -4 -5if it exists

TVOHM asked Apr 16, 2023

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TVOHM asked Apr 16, 2023

by TVOHM

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8 votes

The inverse (A^-1) of a matrix A is :

From the problem, we have :

a = 8, b = 2, c = -4 and d = -5

Using the formula above :

Simplify the fraction and multiply it inside the matrix.

The answer is :

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