# Solution: Find the determinants in Exercises by row ## Problem 9E Chapter 3.2

Linear Algebra and Its Applications | 5th Edition

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Problem 9E

Find the determinants in Exercises by row reduction to echelon form.

Step-by-Step Solution:
Step 1 of 3

Solution 9EConsider the determinant :To transform into echelon form, add first row to the third row. Now add -3 times the first row to the fourth row. Now add second row to the third row. Now factor out 7 from third row. Now add -7 times the third row to the fourth row. The resultant matrix is in echelon form.Now calculate determinant using cofactor...

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Step 3 of 3

##### ISBN: 9780321982384

This full solution covers the following key subjects: Determinants, echelon, exercises, Find, form. This expansive textbook survival guide covers 65 chapters, and 1898 solutions. The full step-by-step solution to problem: 9E from chapter: 3.2 was answered by , our top Math solution expert on 07/20/17, 03:54AM. Linear Algebra and Its Applications was written by and is associated to the ISBN: 9780321982384. The answer to “Find the determinants in Exercises by row reduction to echelon form.” is broken down into a number of easy to follow steps, and 11 words. This textbook survival guide was created for the textbook: Linear Algebra and Its Applications , edition: 5th. Since the solution to 9E from 3.2 chapter was answered, more than 229 students have viewed the full step-by-step answer.

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Solution: Find the determinants in Exercises by row

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