College Algebra Matrices
Inverses of Matrices
   Drills
Problem 1
Given: two matrices A and B. Is matrix B inverse to matrix A?
Problem 2
Find for which x matrix A is singular
Problem 3
Given: the matrix A. Evaluate element cij of the inverse matrix
Problem 4
Given: all minors of determinant |A| and elements of a row or a column. Evaluate element cij of the inverse matrix
Problem 5
Given: two matrices A and B. Solve the equation A=XB
Problem 6
Given: two matrices A and B. Solve the equation XA=B
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