21. If X, Z are 3 x 3 matrices, det(X) = -3 and det(Z) = -5 what 0 -3 XZ. 1 - is the determinant of 1 а) -15 b) –5 c) -3 d) 5 e) 15
21. If X, Z are 3 x 3 matrices, det(X) = -3 and det(Z) = -5 what 0 -3 XZ. 1 - is the determinant of 1 а) -15 b) –5 c) -3 d) 5 e) 15
Chapter7: Systems Of Equations And Inequalities
Section7.8: Solving Systems With Cramer's Rule
Problem 3SE: Explain what it means in terms of an inverse for a matrix to have a 0 determinant.
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