-4/k-2=-1

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求证:lim1^k+2^k+3^k+4^k+.n^k/n^(k+1)=1/k+1n是正整数,后面的k

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k-4-2k|/√(k^2+1)=3K=?k-4-2k|/√(k^2+1)=3K=?k-4-2k|/√(k^2+1)=3K=?|-k-4-2k|/√(k^2+1)=3|3k+4|/√(k^2+1)=3

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请问1^k+2^k+3^k+.+n^k=?

请问1^k+2^k+3^k+.+n^k=?请问1^k+2^k+3^k+.+n^k=?请问1^k+2^k+3^k+.+n^k=?不知道你学过二项式定理吗?知道组合数C(n,m)吗?假设你已经学过的话,看

-4-2k|/√(k^2+1)= 3 K=?|-k-4-2k|/√(k^2+1)= 3 K=?

-4-2k|/√(k^2+1)=3K=?|-k-4-2k|/√(k^2+1)=3K=?-4-2k|/√(k^2+1)=3K=?|-k-4-2k|/√(k^2+1)=3K=?-4-2k|/√(k^2+1

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