妹子心，海底针!又到了一年一度的520情人节，男士们又要绞尽脑汁想办法打动女生的心~大概每一位男士都有这样的经历，不论是送多昂贵的礼物还是对天发誓，女生依然会问“你爱我吗?”。小编精心挑选了三款礼物，号称少
Suppose I have an integral that\'s bounded on one (or both) end by (-)infinity.AFAICT, I can\'t analytically solve this problem, it takes brute force (e.g. using a Left Riemann Sum).I\'m having troubl
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