積分問題 - 考試
By Ursula
at 2013-11-27T11:05
at 2013-11-27T11:05
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
∫x^4cos(nx)
=1/n x^4 sin (nx) - 4/n (3n^2x^2-6/n^4 )sin(nx)-4/n(n^2x^3-6x/n^3)cos(nx)
最前面我看的懂 分部積分
後面二項 請版上大大稍作解說 謝謝~
--
∫x^4cos(nx)
=1/n x^4 sin (nx) - 4/n (3n^2x^2-6/n^4 )sin(nx)-4/n(n^2x^3-6x/n^3)cos(nx)
最前面我看的懂 分部積分
後面二項 請版上大大稍作解說 謝謝~
--
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考試
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