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Consider three matrices A=[(2,1),(4,1)],...

Consider three matrices `A=[(2,1),(4,1)], B=[(3,4),(2,3)]`, and `C=[(3,-4),(-2,3)]`. Then the value of the sum
`tr(A)+tr ((ABC)/2)+tr ((A(BC)^(2))/4)+tr ((A(BC)^(3))/8)+...+ oo` is

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A=[[2,1],[4,1]]; B=[[3,4],[2,3]] & c=[[3,-4],[-2,3]] , tr(A)+tr[(ABC)/2]+tr[(A(BC)^2)/4]+tr[(A(BC)^2)/8]+.....oo is: