Textbook QuestionUse the determinant theorems to evaluate each determinant.∣167067009∣\(\left\)| \(\begin{matrix}\) 1 & 6 & 7 \\ 0 & 6 & 7 \\ 0 & 0 & 9 \(\end{matrix}\) \(\right\)| 699views
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.∣2−136410457∣\(\begin{vmatrix}\)2&-1&3\\6&4 &10\\4&5&7\(\end{vmatrix}\) 711views
Textbook QuestionIn Exercises 55–56, write the system of linear equations for which Cramer's Rule yields the given determinants.1144views
Textbook QuestionUse the determinant theorems to evaluate each determinant. ∣4002−103024010012∣\(\left\)| \(\begin{matrix}\) 4 & 0 & 0 & 2 \\ -1 & 0 & 3 & 0 \\ 2 & 4 & 0 & 1 \\ 0 & 0 & 1 & 2 \(\end{matrix}\) \(\right\)| 678views
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.∣3−65−102−13−6420−7311∣\(\begin{vmatrix}\)3&-6&5&-1\\0&2 &-1&3\\-6&4&2&0\\-7&3&1&1\(\end{vmatrix}\) 680views
Textbook QuestionUse Cramer's rule to solve each system of equations. If D = 0, then use another method to determine the solution set. See Examples 5–7. x + y = 4 2x - y = 2899views