Concept explainers
In Problems 1 to 3, find
Observe that
Show that
Show that det AB det BA = (det A)(det B), but that
Show that
Find similar results for det(3B). Remember that the point of doing these simple problems by hand is to learn how to manipulate determinants and matrices correctly. Check your answers by computer.
Want to see the full answer?
Check out a sample textbook solutionChapter 3 Solutions
Mathematical Methods in the Physical Sciences
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A Problem Solving Approach to Mathematics for Elementary School Teachers (12th Edition)
Introductory Combinatorics
Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
Finite Mathematics & Its Applications (12th Edition)
Thinking Mathematically (6th Edition)
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
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