Uploaded September 2025 | Updated September 2026, 1 week ago

---

In this math video I (Susanne) explain how to In this video, I explain how to find the determinant of a 3×3 matrix using Sarrus’ rule. We go through three step-by-step examples so you can easily understand and apply the method yourself. Mathematics explained.

00:00 Intro – Sarrus Rule
0:13 Example 1
4:00 Example 2
6:07 Example 3
8:32 See you later!

*My German Math Channel:*
​⁠ @MathemaTrick

*Find me on Instagram:*
instagram.com/mathema_trick

*Buy Me a Cup of Hot Chocolate?* ☕🍫
Creating these math tutorials takes a lot of brainpower and a warm cup of hot chocolate always helps! If you'd like to support my work and keep the tutorials coming, consider treating me to a virtual cup.
👉 paypal.me/TheMathQueen

Thank you so much for your kindness! It means the world to me!

#matrix #maths #mathematics