Question

Resolver el siguiente sistema de ecuaciones por el método de inversa $x = A^{-1}b$ $2x_1 + 3x_2 - x_3 = 5$ $-x_1 + 2x_2 + 3x_3 = 0$ $4x_1 - x_2 + x_3 = -1$

          Resolver el siguiente sistema de ecuaciones por el método de inversa $x = A^{-1}b$
$2x_1 + 3x_2 - x_3 = 5$
$-x_1 + 2x_2 + 3x_3 = 0$
$4x_1 - x_2 + x_3 = -1$

Added by Cody F.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Julie Silva

Step 1

We can do this by finding the inverse of the coefficient matrix and multiplying it by the constant matrix. First, let's find the inverse of the coefficient matrix: | 2 3 -1 | | -1 2 3 | | 4 -1 1 | To find the inverse, we can use the formula: A^(-1) = Show more…

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