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r-0-n-n-C-r-1-r-log-e-10-1-log-e-10-n-r-




Question Number 63845 by gunawan last updated on 10/Jul/19
Σ_(r=0) ^n ^n C_r  ((1+r log_e  10)/((1+ log_e  10^n )^r ))=...
$$\underset{{r}=\mathrm{0}} {\overset{{n}} {\sum}}\:^{{n}} {C}_{{r}} \:\frac{\mathrm{1}+{r}\:\mathrm{log}_{{e}} \:\mathrm{10}}{\left(\mathrm{1}+\:\mathrm{log}_{{e}} \:\mathrm{10}^{{n}} \right)^{{r}} }=… \\ $$
Commented by gunawan last updated on 10/Jul/19
answer is 0  please help
$$\mathrm{answer}\:\mathrm{is}\:\mathrm{0} \\ $$$$\mathrm{please}\:\mathrm{help} \\ $$

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