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3F→:代回去(3p+10)/(2p-3)就知道不合啦01/26 22:22
1F→:(a)的RHS只要是{a_n+b_n}的上界就好01/26 18:28
1F→:兩個答案都是對的 要說有錯也只是過程有點小錯罷了01/26 19:05
2F→:但是那兩個看起來很不一樣的答案其實會一樣喔01/26 19:05
2F→:電子互斥的位能要忽略嗎?01/25 23:52
7F→:大概就跟a^2非負一樣的意思,一定不是負的01/25 00:36
7F→:大概就跟a^2非負一樣的意思,一定不是負的01/25 00:36
6F→:第二題可以因式分解然後拆項積分01/21 23:19
7F→:至於你本來的作法也可以用拆項,或者利用01/21 23:20
8F→:∫dx/{(coshx)^2-1} = ∫(cschx)^2 dx = -cothx +C01/21 23:22
10F→:雖然我剛剛用你的代換換不出你的1/{(coshx)^2-1}01/21 23:30
1F→:A^T A 才對01/19 19:54