OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Exercise 168 · Linear Algebra · Determinants
Solving Systems with Cramer's Rule · Exercise 168
Perform the given matrix operations.
If what would be the determinant if you switched rows 1 and 3, multiplied the second row by 12, and took the inverse?
Its source prints no answer for this problem, so there's nothing to check against.
OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Exercise 168
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