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Differential Equations

Advanced calculus topics from Diff EQ go here.
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stuck in basic math of general method for differential equations
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Two graphs have gradient functions dy/dx = 3x^2+3x+a and dy/dx = 3x^2-2x+1.
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Vol
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a first order separable differential equations solution
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HallsofIvy
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Equation of Paths for Second order ODE: d^y/dx^2 - x - 2x^3 = 0
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HallsofIvy
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Viona
Asymptotic behavior: (d^2 u)/(dp^2) = [1 - (p_0)/p + {L(L+1)}/(p^2)]u
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466
Viona
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Second order differentiel equations
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Theodor
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