Section 4
Determinants and Cramer's Rule
Book
Version 13
By Boundless
By Boundless
Boundless Algebra
Algebra
by Boundless
3 concepts
Determinants of 2-by-2 Square Matrices
The determinant of a square matrix is computed by recursively performing the Laplace expansion to find the determinant of smaller matrices.
Cofactors, Minors, and Further Determinants
The cofactor of an entry
Cramer's Rule
Cramer's Rule uses determinants to solve for a solution to the equation