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If A=[1 4 7 2 6 5 3-1 2] a n d B=d i ag(...

If `A=[1 4 7 2 6 5 3-1 2] a n d B=d i ag(125)` , then trace of matrix `A B^2` is `(a)74` `(b)75` `(c)529` `(d)23`

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