SOLUTION: For questions 20 and 21, use the matrices below: A=[17 2 3/11 4 -9] B=[10 6 -7/-4 3 0] C=[-1/2/-2] Find A-B Find BC, if possible Please show work. Thank you so much fo

Algebra ->  Matrices-and-determiminant -> SOLUTION: For questions 20 and 21, use the matrices below: A=[17 2 3/11 4 -9] B=[10 6 -7/-4 3 0] C=[-1/2/-2] Find A-B Find BC, if possible Please show work. Thank you so much fo      Log On


   

Question 345628: For questions 20 and 21, use the matrices below: A=[17 2 3/11 4 -9] B=[10 6 -7/-4 3 0] C=[-1/2/-2]
Find A-B
Find BC, if possible
Please show work.
Thank you so much for all of your help!!!
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%282%2C3%2C17%2C2%2C3%2C11%2C4%2C-9%29%29
[B]=%28matrix%282%2C3%2C10%2C6%2C-7%2C-4%2C3%2C0%29%29
[C]=%28matrix%283%2C1%2C-1%2C2%2C-2%29%29
.
.
.
[A-B]=%28matrix%282%2C3%2C7%2C-4%2C10%2C15%2C1%2C-9%29%29
[B*C]=%28matrix%282%2C1%2C-35%2C-35%29%29