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" 3."14sqrt(9)quad A=[[1,2],[4,2]]," " f...

" 3."14sqrt(9)quad A=[[1,2],[4,2]]," " farals "|2A|=4|A|

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9,-1,4-2,1,3]]=A+[[1,2,-10,4,9]], then

If [[9,-1,4],[-2,1,3]]=A+[[1,2,-1],[0,4,9]] then find the matrix A.

Given A=[{:(2,4,0),(3,9,6):}] "and" B=[{:(1,4),(2,8),(1,3):}] , is (AB)=B'A'?

Given A=[{:(2,4,0),(3,9,6):}] "and" B=[{:(1,4),(2,8),(1,3):}] , is (AB)=B'A'?

If A=[(1,4),(2,9)], B=[(9,-4),(-2,1)] then

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If A=[[1,2,3]], B=[(-5,4,0),(0,2,-1),(1,-3,2)] then (A) AB=[(-2),(-1),(4)] (B) AB=[-2,-1,4] (C) AB=[4,-1,2] (D) AB=[(-5,4,0),(0,4,-2),(3,-9,6)]

If A=[[1,2,3]], B=[(-5,4,0),(0,2,-1),(1,-3,2)] then (A) AB=[(-2),(-1),(4)] (B) AB=[-2,-1,4] (C) AB=[4,-1,2] (D) AB=[(-5,4,0),(0,4,-2),(3,-9,6)]

If [(9,-1,4),(-2,1,3)]=A+[(1,2,-1),(0,4,9)], then find the matrix A.