Equality of matrices
Matrices and determinants (introductory) · Mathematics
Study notes
Q: Find x, y, z if [[x, 2], [3, y]] = [[5, 2], [3, z+1]]. Equate entries: x = 5. y = z + 1... wait, y is at (2,2), z+1 is at (2,2): y = z + 1. Only one equation for two unknowns - need more info. Actually y = z+1 is the only relation; x = 5 determined.