MAT244--2018F > Term Test 2

TT2A-P1

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Victor Ivrii:
(a) Find the general solution of
\begin{equation*}
y''-4y=2\tanh (t).
\end{equation*}

(b) Find solution, such that $y(0)=0$, $y'(0)=0$.

Jiabei Bi:

Xu Zihan:
Here is my answer, somewhere different from Jiabei's.

Zhiqiu Ye:
This is my answer, it is little bit different than Jiabei's answer.

yukeqi957:
this is my answer, a bit different from Jiabei,bi.