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Solve-for-n-in-the-equation-A-n-n-2-56-where-A-n-r-n-permution-r-




Question Number 99429 by Ar Brandon last updated on 20/Jun/20
Solve for n in the equation  A_n ^(n−2) =56 {where A_n ^r =n−permution r}
SolvefornintheequationAnn2=56{whereAnr=npermutionr}

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