UCSF 137 Lecture 20: UCSF 137 - Lecture 20 (2)

2.3 Matrix Products 85 1 0 1 0 1 2 2 3 0 1 0 1 3 4 4 5 16. 0 0 1 0 0 0 1 2 0 0 0 1 J 0 0 3 4 In the Exercises 17 through 26, find all matrices that com- mute with the given matrix A. 18. A -3 2 0 -21 20. A 19 A 2 0 21. A 22. A 2 0 01 24. A 23. A 2 6 0 0 3 T2 0 01 2 0 01 26. A 25. A 27. Prove the distributive laws for matrices: A (C D) AC AD

Submit Answer | | Save Progress | Practice Another Version) pe 3.-11.66 points SCalcET8 5.5.533 XP MI Evaluate the definite integral. icr orc 1 (2 2x) dx 0 asp Anti hron 4. +-/1.66 points scalcET8 5.5055 Evaluate the definite integral. Upgr 1 +7x dx 0 God Chr

B. By Quadratic Formula 6. x2 +3x+1-0 7, 3x2-6x-1 =0 Given Solution II. Solve the following equations. Given Solution 8, -/3x-4 +8=0 9, 2x1/2 +x"4-3 =0