應用數學問題不知道如何解

👨🏻‍🏫 學術台數學

[匿名]

2011-01-04 7:04 am

Consider following differential :
(d^2 y)/(dx^2) +y =g(x)

If g(x)=tanx, find the particular solution Y(x) by the variational method
不可直接代公式

回答 (2)

STEVIE-G™

2011-01-04 7:32 am

✔ 最佳答案

As follows:

圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/ScreenHunter_03Jan032331.gif

2011-01-04 00:06:21 補充：
The method of solving u1'(x) and u2'(x) is Cramer's Rule.

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[匿名]

2011-01-04 8:37 am

help ... ...

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