Textbook QuestionEvaluate each determinant.∣470−56032−4∣\(\begin{vmatrix}\) 4 & 7 & 0 \\ -5 & 6 & 0 \\ 3 & 2 & -4 \(\end{vmatrix}\) 733views
Textbook QuestionUse the determinant theorems to evaluate each determinant. See Example 4.∣−414201024∣\(\begin{vmatrix}\)-4 & 1 & 4\\2& 0 & 1\\ 0&2&4\(\end{vmatrix}\)−420102414 743views
Textbook QuestionEvaluate each determinant in Exercises 49–52. ∣−2−3351−400122−32011∣\(\begin{vmatrix}\)-2 & -3 & 3 & 5 \\1 & -4 & 0 & 0 \\1 & 2 & 2 & -3 \\2 & 0 & 1 & 1\(\end{vmatrix}\)−2112−3−420302150−31774views
Textbook QuestionEvaluate each determinant.∣2222022200220002∣\(\begin{vmatrix}\) 2 & 2 & 2 & 2 \\ 0 & 2 & 2 & 2 \\ 0 & 0 & 2 & 2 \\ 0 & 0 & 0 & 2 \(\end{vmatrix}\) 758views
Textbook QuestionIn Exercises 53–54, evaluate each determinant. ∣∣31−23∣∣7015∣∣3007∣∣9−635∣∣\(\begin{vmatrix}\[\begin{vmatrix}\) 3 & 1 \\ -2 & 3 \(\end{vmatrix}\) & \(\begin{vmatrix}\) 7 & 0 \\ 1 & 5 \(\end{vmatrix}\) \\\(\begin{vmatrix}\) 3 & 0 \\ 0 & 7 \(\end{vmatrix}\) & \(\begin{vmatrix}\) 9 & -6 \\ 3 & 5 \(\end{vmatrix}\]\end{vmatrix}\)3−2133007710593−65752views
Textbook QuestionUse Cramer's Rule to solve each system.{7x+2y=02x+y=−3\(\begin{cases}\) 7x + 2y = 0 \\ 2x + y = -3 \(\end{cases}\) 811views
Textbook QuestionUse the determinant theorems to evaluate each determinant.∣167067009∣\(\left\)| \(\begin{matrix}\) 1 & 6 & 7 \\ 0 & 6 & 7 \\ 0 & 0 & 9 \(\end{matrix}\) \(\right\)| 698views
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
