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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §6.3 Growth and Decay in Science and Economics, #40 · Differential Equations · Applications

Solve … from … by rewriting as …, multiplying by …, and…

Solve $y^{'} = - y + 1$ from $y_{0} = 0$ by rewriting as $y^{'} + y = 1$ , multiplying by $e^{t}$ , and integrating both sides.

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §6.3 Growth and Decay in Science and Economics, #40

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