 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/iii/paper-207/2/d/ii/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

The separable equation

\dot{S} = - q_{SE} S

with

S (0) = S_{0}

has solution

S (t) = S_{0} e^{- q_{SE} t} .

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