I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

y^'=-4x/y How do I solve the differential equation using separation of variables?

Find a single ODE and a system of two ODEs of the same form. Solve both and explain what the differences and similarities are between the single ordinary differential equation and the system of ODEs...

how do I find the general solution of the differential equation (–3 + x) y ' = 8y

Would someone explain these to the very end of the problem? I'm still a bit confused. Let y be the solution of the initial value problem. y″+y=−sin(2x) y(0)=0,y′(0)=0. The...

Is c = -1 true?

Find a general solution. 1. u''+7u=0 2. y''-2y'+26y=0 Solve the given initial value problem. 3. y''+9y=0 Would someone mind...

The auxiliary equation for the given differential equation has complex roots. Find a general solution. 1. y''+y=0 2. u''+7u=0 Solve the given initial...

3. Solve the following differential equation: y″+9y=0; y=3, y′=3 at x=Π/3 I've never seen a situation with, "y′=3 at x=Π/3"

Find the general solution of the differential equation y″(t)+36y(t)=0 I found the general solution to be: Asin(6t)+Bcos(6t) For each of the following initial...

http://i.imgur.com/PknZsfZ.png I'm confused on why the first row has values 0 + yk+1 + 0 and the second row has 0 + 0 + yk+2

A certain chemical dissolves in water at a rate proportional to the product of the amount undissolved and the difference between the concentration in a saturated solution and the concentration...

1. A tank contains 1000L of pure water. Brine that contains 0.02kg of salt per liter enters the tank at a rate of 5L/min. Also, brine that contains 0.09kg of salt per liter enters the tank at a rate...

A tank is filled with 1000 liters of pure water. Brine containing 0.07 kg of salt per liter enters the tank at 5 liters per minute. Another brine solution containing 0.05 kg of salt per liter enters...

A tank contains 70 kg of salt and 2000 L of water. A solution of a concentration 0.0175 kg of salt per liter enters a tank at the rate 7 L/min. The solution is mixed and drains from the tank at the...

Use the differential equation and the given point to find f(x). dy/dx= (-48)/(3x+5)^2 Point: (-1,3)

Find the particular solution of the differential equation (x^2/(y^2-6))(dy/dx)=1/(2y) satisfying the initial condition y(1)=√7 Could someone help me understand this?

Find the solution to the differential equation dz/dt=9te5z that passes through the origin. Could someone help me understand this?

I'm finding order and degree for the Differential equation of that question but don't know how to solve it with the -ve degree of dy/dx please help me

Hello. I know to use the trial solution y(t)=ert when solving a 2nd order diff. eq. which is homogeneous. However, this only works when every term contains some form of y. What about...

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