[單變] series
∞ 1
1.Find the value of Σ ------
n=1 n^1.5
-2x+4
2. ∫ --------------- dx
(x^2+1)(x-1)^2
Does the problem 2 can only be solved by the method
-2x+4 Ax+b C D
--------------- = -------- + ------- + --------
(x^2+1)(x-1)^2 (x^2+1) x-1 (x-1)^2
or is there any other approachs?
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◆ From: 163.14.32.126
※ 編輯: kane950544 來自: 163.14.32.126 (07/01 15:29)
※ kane950544:轉錄至看板 Math 07/02 09:17