Skip to main content

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

My Course
Learn
Exam Prep
Explore
Bookmarks

Table of contents

Skip to main content

0. Review of Algebra4h 16m
1. Equations & Inequalities3h 18m
2. Graphs of Equations1h 31m
3. Functions2h 17m
4. Polynomial Functions1h 44m
5. Rational Functions1h 23m
6. Exponential & Logarithmic Functions2h 28m
7. Systems of Equations & Matrices4h 6m
8. Conic Sections2h 23m
9. Sequences, Series, & Induction1h 19m
10. Combinatorics & Probability1h 45m

7. Systems of Equations & Matrices

Determinants and Cramer's Rule

College Algebra7. Systems of Equations & MatricesDeterminants and Cramer's Rule

5:54 minutes

Problem 13e

Textbook Question

Textbook Question

Are the given matrices inverses of each other? (Hint: Check to see whether their products are the identity matrix I￬n.) [3x3 matrix] and [3x3 matrix]

Verified Solution

This video solution was recommended by our tutors as helpful for the problem above

Video duration:

5m

Play a video:

23

views

Was this helpful?

Related Videos

Related Practice

Determinants of 2×2 Matrices

Determinants of 2×2 Matrices

Cramer's Rule - 2 Equations with 2 Unknowns

Cramer's Rule - 2 Equations with 2 Unknowns

Determinants of 3×3 Matrices

Determinants of 3×3 Matrices

Cramer's Rule - 3 Equations w/ 3 Unknowns

Cramer's Rule - 3 Equations w/ 3 Unknowns

Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)

Ex: Find the Value of a 4x4 Determinant Using Cofactor Expansion (with Zeros)

Evaluate the Determinant of a 4x4 Matrix

Evaluate the Determinant of a 4x4 Matrix

Determinant of a 4X4 Matrix

Determinant of a 4X4 Matrix

How To Find The Determinant of a 4x4 Matrix

How To Find The Determinant of a 4x4 Matrix

The Organic Chemistry Tutor

Showing 1 of 8 videos

Download the Mobile app

Do not sell my personal information

© 1996–2024 Pearson All rights reserved.