How to find the power series solution of this ordinary differential equation using MMA
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Solving an ODE in power series
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$f'' + f =0$: finding $f$ using power series
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Use Cauchy product to find a power series represenitation of $1 \over {(1-x)^3}$
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Convergence of the Power Series for $xu''+\sin(x)u=0$
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Ordinary differential equation $y'(t)=\sin(f(t,y))$
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Find the power series of $f(x)=\frac{1}{x^2+x+1}$
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Derive an explicit formula for a power series $\sum_{n=1}^\infty n^2x^n$
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Find the general solution of $y'= a^{x + y}$ where y is the function
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Solving $x^{x^x}=c$ with Lambert's W function
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Differential Equations: solve the system
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How to get solutions in elementary functions to the following non-linear ODE
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Solving for the closed term solution of a third order recurrence relation with real constant coefficients
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How to solve differential equations of the form $f'(x) = f(x + a)$
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How to solve this differential equation analytically?
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Power series representation/calculation
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Use taylor series to arrive at the expression f'(x)=1/h[-3*f(x)/2+2f(x+h)-f(x+2h)/2]
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particular solution to $y^{(4)} -2y'' +y = xe^x $ using undetermined coefficients