Question: please do 22 In Exercises 21-24, use the matrices A, B. C. and z from Exercises 5-20. 21. Verify that /C = Ch = C.

please do 22

please do 22 In Exercises 21-24, use the matrices
In Exercises 21-24, use the matrices A, B. C. and z from Exercises 5-20. 21. Verify that /C = Ch = C. 22. Verify that (AB )C = A(BC). 23. Verify that (ABY = BAT. 24. Verify that z(AC) = (2)C

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