Toronto Math Forum

MAT244--2018F => MAT244--Tests => Term Test 2 => Topic started by: Victor Ivrii on November 20, 2018, 05:47:57 AM

Title: TT2A-P1
Post by: Victor Ivrii on November 20, 2018, 05:47:57 AM
(a) Find the general solution of
\begin{equation*}
y''-4y=2\tanh (t).
\end{equation*}

(b) Find solution, such that $y(0)=0$, $y'(0)=0$.
Title: Re: TT2A-P1
Post by: Jiabei Bi on November 20, 2018, 12:34:21 PM
This is my answer, thx
Title: Re: TT2A-P1
Post by: Xu Zihan on November 20, 2018, 01:16:03 PM
Here is my answer, somewhere different from Jiabei's.
Title: Re: TT2A-P1
Post by: Zhiqiu Ye on November 20, 2018, 01:32:04 PM
This is my answer, it is little bit different than Jiabei's answer.
Title: Re: TT2A-P1
Post by: yukeqi957 on November 20, 2018, 01:55:31 PM
this is my answer, a bit different from Jiabei,bi.
Title: Re: TT2A-P1
Post by: Victor Ivrii on November 25, 2018, 12:31:30 PM
Zhiqiu is right. No $\arctan $ in the answe.