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if Deltar=|[x,y,z],[2^r,2.3^r,3.4^r],[2(...

if `Delta_r=|[x,y,z],[2^r,2.3^r,3.4^r],[2(2^n-1),3.(3^n-1),4.(4^n-1)]|` find the value of `sumDelta_r`

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