OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Try It 2 · Linear Algebra · Matrices

Solving Systems with Inverses · Try It 2

Use the formula to find the inverse of matrix $A .$ Verify your answer by augmenting with the identity matrix.

$A = [12 - 1 3]$

~5 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Try It 2

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