Textbook QuestionIn Exercises 45–48, explain why the system of equations cannot be solved using Cramer's Rule. Then use Gaussian elimination to solve the system.812views
Textbook QuestionUse the determinant theorems to evaluate each determinant. ∣68−12−10240−8∣\(\left\)| \(\begin{matrix}\) 6 & 8 & -12 \\ -1 & 0 & 2 \\ 4 & 0 & -8 \(\end{matrix}\) \(\right\)| 782views
Textbook QuestionSolve each equation. ∣3x7−x4∣=8\(\left\)| \(\begin{matrix}\) 3x & 7 \\ -x & 4 \(\end{matrix}\) \(\right\)| = 8620views
Textbook QuestionEvaluate each determinant in Exercises 49–52. ∣428−7−20415005400−1∣\(\begin{vmatrix}\)4 & 2 & 8 & -7 \\-2 & 0 & 4 & 1 \\5 & 0 & 0 & 5 \\4 & 0 & 0 & -1\(\end{vmatrix}\)4−25420008400−715−1721views
Textbook QuestionEvaluate each determinant.∣470−56032−4∣\(\begin{vmatrix}\) 4 & 7 & 0 \\ -5 & 6 & 0 \\ 3 & 2 & -4 \(\end{vmatrix}\) 734views
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
