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# Get solution: In Exercises 18, evaluate the determinant of the given matrix by (a) ISBN: 9780470432051 396

## Solution for problem 5 Chapter 2

Elementary Linear Algebra: Applications Version | 10th Edition

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Problem 5

In Exercises 18, evaluate the determinant of the given matrix by (a) cofactor expansion and (b) using elementary row operations to introduce zeros into the matrix.

Step-by-Step Solution:

Anisia Jackson MAT 102 Mrs. Walker Topic­Write Up #1 13 January 2018 Simplifying a ratio of polynomials using GCF factoring Sources: ALEKS & YouTube https://www.youtube.com/watchv=SmBnB­wvpXU Connection to last topic: In the last topic we only factor polynomials using GCF. Now we simplify the ratio of a polynomial using the GCF as well. Real life application: A real life application would be separating clothes. You would put the v­neck in a separate pile while the crew neck are in another pile. Separating clothes that are familiar will help you cancel out the shirts that do not have the same collar design. Simplify. 6w −10w 2 2w −4w Step 1: Factor the numerators with the GCF ( Greatest Common Factor) Which would be 2w So we have 2 −6w −10w=2 w(3w−5) Step2: Factor the denimonators with the GCF Which would be 2w 2 2 w −4w=2 w(w−2) Step3: Now we will rewrite the fractions form and cancel the common factor 2w 2 6w −10w = 2w(3w−5) = 3w−5 2w −4w 2w(w−2) w−2

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##### ISBN: 9780470432051

This full solution covers the following key subjects: . This expansive textbook survival guide covers 83 chapters, and 2248 solutions. Since the solution to 5 from 2 chapter was answered, more than 255 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 5 from chapter: 2 was answered by , our top Math solution expert on 03/13/18, 08:29PM. Elementary Linear Algebra: Applications Version was written by and is associated to the ISBN: 9780470432051. This textbook survival guide was created for the textbook: Elementary Linear Algebra: Applications Version, edition: 10. The answer to “In Exercises 18, evaluate the determinant of the given matrix by (a) cofactor expansion and (b) using elementary row operations to introduce zeros into the matrix.” is broken down into a number of easy to follow steps, and 26 words.

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