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Statement 1: sum sum(0le ilt j le n)(i/ ...

Statement 1: `sum sum_(0le ilt j le n)(i/ (^n c_i)+j/(^nc_j))` is equal to`(n^2)/2a , where a ,sum_(r="0)^(n) 1/(^n"" c_r)`="" .="" statement 2:`sum_(r=0)^(n) r/(^n" c_r)="sum_(r=0)^(n)(n-r)/(^n" .<="" b="">

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