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" If "^(n)P(r)=^(n)P((r+1))" and "^(n)C(...

" If "^(n)P_(r)=^(n)P_((r+1))" and "^(n)C_(r)=^(n)C_((r-1))," then "(n,r)=

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If .^(n)P_(r)=.^(n)P_(r+1) and .^(n)C_(r)=.^(n)C_(r-1) , find n and r.

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