deletions | additions       diff --git a/2.tex b/2.tex  index dbd3b5f..36c828b 100644  --- a/2.tex  +++ b/2.tex 
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A(t) = A_0[\frac{k_{-1}k_{-2}}{mn}+\frac{k_1(m-k_2-k_{-2})}{m(m-n)}*\mathrm{e}^{-mt}+\frac{k_1(k_2+k_{-2}-n)}{n(m-n)}*\mathrm{e}^{-nt}]  \end{equation}  \begin{equation}  B(t) = A_0[\frac{k_{1}k_{-2}}{mn}+\frac{k_1(k_{-2}-m)}{m(m-n)}*\mathrm{e}^{-mt}+\frac{k_1(n-k_{-2})}{n(m-n)}*\mathrm{e}^{-nt}] A_0[\frac{k_{1}k_{-2}}{mn}-\frac{k_1(k_{-2}-m)}{m(m-n)}*\mathrm{e}^{-mt}+\frac{k_1(n-k_{-2})}{n(m-n)}*\mathrm{e}^{-nt}]  \end{equation}  \begin{equation}  C(t) = A_0[\frac{k_{1}k_{2}}{mn}+\frac{k_1k_{2}}{m(m-n)}*\mathrm{e}^{-mt}-\frac{k_1k_{2}}{n(m-n)}*\mathrm{e}^{-nt}]