answersLogoWhite

0


Best Answer

In theory, a 2x2 determinant requires the evaluation of 2 products, a 3x3 determinant requires 6 products, a 4x4 determinant requires 24 products (note: that is the factorial function). The Rule of Sarrus is just a convenient memory aid for this specific case.

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why does the rule of sarrus work only for a 3 by 3 matrix?
Write your answer...
Submit
Still have questions?
magnify glass
imp