Differential Equations

Advanced calculus topics from Diff EQ go here.
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mixing problems: A tank initially conatins 100 gal of....
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skeeter
skeeter
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freefall: A parachutist of mass 60 kg free-falls from an....
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skeeter
skeeter
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models of motion: A stone is released from rest and....
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soroban
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Question About A Separable Equations Problem
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Lanboy88
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Show that y = 4/(1 + Ce^(-4t)) solves y' = y(4 - y)
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stapel
stapel
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problem with last step in differential equation and solution
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skeeter
skeeter
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First order DE prob: find the family of curves that....
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Fish314
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IVP using laplace transforms
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galactus
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Coordinate Transformation to solve Laplace Equation
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annakolish
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find general soln for dP/dt = [bkPe^(-kt)] / [1 - be^(-kt)]
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tkhunny
tkhunny
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solving simultaneous equations
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stapel
stapel
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y'=(1-xy)^(1/2) -- what type of DE is this?
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stapel
stapel
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solve y' = (10yx - y) / (5x^2 - x) with y(1) = 8
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soroban
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modeling w/differential equations
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Guest
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Implicit differentiation
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soroban
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J
Nonhomogeneous differential equation: y"+2y'+y=xe-x
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galactus
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F
differential equation dy/dt = ky^(1 + c), k > 0
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galactus
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differential equation dy/dt = py^(1 + b), p > 0
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flakine
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HELP!!: Laplace 2D equation on a square
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SarahRoberts
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2nd Order differential eqn: x"(t) + 4x'(t) - 5x(t) = 9
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galactus
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