Elementary Linear Algebra 7th Edition

Published by Cengage Learning
ISBN 10: 1-13311-087-8
ISBN 13: 978-1-13311-087-3

Chapter 3 - Determinants - Review Exercises - Page 138: 22

Answer

In the L.H.S determinant, multiply the first row by $2$ and add it to the second row yield the R.H.S determinant.

Work Step by Step

In the L.H.S determinant, multiply the first row by $2$ and add it to the second row yield the R.H.S determinant.
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