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306503090(conanwj´ú·¢): ½ð±Ò+10, ¸ÐлӦÖú 2017-06-04 11:37:27
http://www.wolframalpha.com/
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Integrate[y^(C-1)*exp(-B/y-y/A), {y, 0, D}]
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306503090(conanwj´ú·¢): ½ð±Ò+5, ¸ÐлӦÖú 2017-06-04 11:37:38
Table Of Integrals, Series And Products (7Ed , Elsevier, 2007 Gradshteyn I , Ryzhik 1220S)
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