Answer
$120$
Work Step by Step
We know that the determinant of an upper echelon matrix is the product of the entries on its diagonal. In our case, the diagonal numbers are the integers from $1$ to $5$, so we have:
$D=1(2)(3)(4)(5)=120$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 6, Matrices and Determinants - Section 6.4 - Determinants and Cramer's Rule - 6.4 Exercises - Page 534: 37
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
