傳宗接代
sin(1/x) and x sin(1/x) limit examples - Department of Mathematics, University of Washington丈夫:「奇怪,現在怎麼那麼多女孩想當未婚媽媽?」 老婆:「為了傳宗接代啊!」 丈夫:「傳宗接代?那她為何不結婚?」 老婆:「結婚是替別人傳宗接代;不結婚是替自己傳宗接代!」 酒鬼丈夫在外面喝醉了酒,很晚才回到家。他又忘記帶鑰匙了,於是只好敲門。妻子開門出來,由於天黑sin(1/x) and x sin(1/x) Limit Examples The behavior of the functions sin(1/x) and x sin(1/x) when x is near zero are worth noting. Below are plots of sin(1/x) for small positive x. We can see that as x gets closer to zero, the function keeps wobbling (or ...
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