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设广义积分∫(e→+无穷)f(x)dx收敛,且满足方程f(x)=2/(除以)x^2-1/(除以)x乘以lnx的平方 ∫(e→+无
人气:477 ℃ 时间:2020-05-09 11:35:16
解答
Unexpectedly only me can help you?Don't mind I say English.Let N = ∫(e→+∞) f(x) dx,since this integral is convergent,it's a constantf(x) = 2/x² - 1/(xln²x) · ∫(e→+∞)f(x) = 2/x² -...
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