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|[2,4],[-5,-1]|...

|[2,4],[-5,-1]|

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If A=[[2,4],[-5,-1]] show that: |3A|=9|A|

If A=[[2,4],[-5,-1]] show that: |3A|=9|A|

Find x if abs[[2,4],[5,1]]=abs[[2x,4],[6,x]]

Evalute the determinant: : [{:(2,4),(-5,-1):}]

Evalute the determinants in queations 1 and 2 : [{:(2,4),(-5,-1):}]

Evaluate the determinants. {:[( 2,4),( -5,-1) ]:}

Evaluate the determinant. {:[( 2,4),( -5,-1) ]:}

Evaluate the determinants in Exercises 1 and 2. {:[( 2,4),( -5,-1) ]:}

Given A=[[1,2],[3,-1],[4,2]] , B=[[-1,4,-5],[2,1,0]] Show that ABneBA

If =[[-2],[4],[5]], B=[1,3,-5] , verify that (AB)\'=B\'A\'