SOLUTION: THE NAME OF THE ASSIGNMENT IS OPERATIONS WITH MATRICES find C+D if C=[14,8,-1] and D=[-10,8,15] find A-B if A=[2,-7 and B=[-3,2 1,4] -6,0] i

Algebra ->  Matrices-and-determiminant -> SOLUTION: THE NAME OF THE ASSIGNMENT IS OPERATIONS WITH MATRICES find C+D if C=[14,8,-1] and D=[-10,8,15] find A-B if A=[2,-7 and B=[-3,2 1,4] -6,0] i      Log On


   

Question 358355: THE NAME OF THE ASSIGNMENT IS OPERATIONS WITH MATRICES
find C+D if C=[14,8,-1] and D=[-10,8,15]
find A-B if A=[2,-7 and B=[-3,2
1,4] -6,0]
if A=[2,5 and B=[1,2 find 4A-5B
-3,-6] -4,9]

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[C]=%28matrix%281%2C3%2C14%2C8%2C-1%29%29
[D]=%28matrix%281%2C3%2C-10%2C8%2C15%29%29
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[C+D]=%28matrix%281%2C3%2C14-10%2C8%2B8%2C-1%2B15%29%29
[C+D]=highlight%28%28matrix%281%2C3%2C4%2C16%2C14%29%29%29
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[A]=%28matrix%282%2C2%2C2%2C-7%2C1%2C4%29%29
[B]=%28matrix%282%2C2%2C-3%2C2%2C-6%2C0%29%29
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[A-B]=%28matrix%282%2C2%2C2-%28-3%29%2C-7-2%2C1-%28-6%29%2C4-0%29%29
[A-B]=%28matrix%282%2C2%2C2%2B3%2C-9%2C1%2B6%2C4%29%29
[A-B]=highlight%28%28matrix%282%2C2%2C5%2C-9%2C7%2C4%29%29%29
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[A]=%28matrix%282%2C2%2C2%2C5%2C-3%2C-6%29%29
4[A]=[4A]=%28matrix%282%2C2%2C8%2C20%2C-12%2C-24%29%29
[B]=%28matrix%282%2C2%2C1%2C2%2C-4%2C9%29%29
5[B]=[5B]=%28matrix%282%2C2%2C5%2C10%2C-20%2C45%29%29
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[4A]-[5B]=%28matrix%282%2C2%2C8-5%2C20-10%2C-12-%28-20%29%2C-24-45%29%29
[4A]-[5B]=highlight%28+%28matrix%282%2C2%2C3%2C10%2C8%2C-69%29%29%29