Lemma
EasyMatrices
OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Exercise 8 · Linear Algebra · Matrices

Solving Systems with Inverses · Exercise 8

Can a matrix with zeros on the diagonal have an inverse? If so, find an example. If not, prove why not. For simplicity, assume a matrix.

~5 minWritten answer · check your work with Lemma

OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Exercise 8

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.