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lim(1+1/n+1/n²)ⁿ=lime^(nln(1+1/n+1/n²)=lime^(n(1/n+1/n²))=lime^(1+1/n)=e
lim(1+1/n+1/n²)ⁿ=lim(1+1/n)ⁿ=en→∞
