sum from n=0 to infinity of 1/(n^{2/3)}

解答

n = 0 \sum \infty \frac{1}{n ^{\frac{2}{3}}}

发散

求解步骤

n = 1 \sum \infty \frac{1}{n ^{\frac{2}{3}}}

使用 p 级数审敛法:

发散

= 发散

\frac{d}{d x} (e^{(2 x)} (x^{3} + 6 x - 1) ln (x))

\frac{d}{d x} (\frac{sin ^{2} ( x ) + 1}{cos ^{2} ( x ) + 1})

d er i v a t i v e \frac{x}{8}

in v erse l a pl a ce {\frac{( s - 1 )}{s + 1}}

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