Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
State the condition on the determinant of a square matrix
A
A
A
of order
n
n
n
for
A
−
1
A^{-1}
A
−
1
to exist.
Browse the problem library