Newest differential equations Questions | Wyzant Ask An Expert

1,286 Answered Questions for the topic differential equations

Differential Equations

01/17/16

Verify that (x^2)y+y^2 =c is a solution of 2xydx+(x^2+y)dy=0

Differential equations question

Follows • 2

Answers •1

Differential Equations Algebra 1

12/12/15

Solution of heat equation

I have been asked to prove the below function satisfies heat equation.u(r,t)=2Uπ∑n=1∞ {(−1)^n+1}(1/r)sin(nπr)e^−n^2π^2tI have tried to equate ∂u/∂t = ∂^2u/∂x^2 however both let hand side and right... more

Follows • 2

Answers •1

Differential Equations Calculus Advanced Functions

12/02/15

Using direct evaluation find the convolution

Using direct evaluaton the convolution of f(t)=t and g(t)= e-2t

Follows • 1

Answers •1

Differential Equations Frobenius

10/13/15

How to find the solution of a differential equation

m.(d2x/dt2) + R(dx/dt) -kx=0 when m= x2 , R= x-x2 , k=1 I have no idea of what method to use to get the solution.

Follows • 3

Answers •2

Differential Equations

10/12/15

what is the integrating factor of e^y dx + e ^x dy = 0

Supposed to find using inspection method

Follows • 2

Answers •1

Differential Equations Calculus Differentiation

10/07/15

A trench is being dug by a team of labourers who removes V cubic metres of soil in t minutes, where V=10*t-(t^2)/20.

V=10*t-(t2)/20 a) State the logical domain of the function, i.e. the values of t during which soil is being removed.b) At what rate is the soil is being removed at the end of 40 minutes ?c) Are... more

Follows • 3

Answers •2

Differential Equations

09/22/15

How do I integrate an inseparable equation?

I'm confused on this topic in my Diff Eq class.

Follows • 2

Answers •1

Differential Equations

09/07/15

Ordinary differential equations ???

How do you solve this differential equation, (x-y2 )dx + 2xy dy =0

Follows • 2

Answers •1

Differential Equations Calculus Exponential Functions Exponential Equations

09/02/15

How do determine the differential equation that governs this situation, and solve it?

a) On January 1 2000, the park estimated that they had 500 deer on their land. Two years later, they estimated that there were 550 deer on the land. Assume that the number of deer was changing... more

Follows • 2

Answers •1

Differential Equations Math Calculus Ap Calc

08/22/15

differential equation

Suppose that 120 deer are placed in a protected region. If the region can support a maximum deer population of 500, then the bounded growth model for the deer population gives us which differential... more

Follows • 2

Answers •1

Differential Equations

08/01/15

Obtaining a second order differential equation.

Supply voltage of a DC motor is given by:V(t)=Ri(t)+L (d i(t))/dt+kω(t)Here i(t) is the current through the coil, R is the resistance, L is the inductance of coils, ω(t) is the angular speed and k... more

Follows • 2

Answers •1

Differential Equations

07/13/15

2xy'' + (1-2x^2)y' - 4xy = 0

Solve by series of expansion: Put in closed form: 2xy'' + (1-2x^2)y' - 4xy = 0

Follows • 2

Answers •1

Differential Equations

07/11/15

How to solve this Differential Equation?

xy + y' = 160x

Follows • 4

Answers •2

Differential Equations

06/25/15

(x^2+y^2)dx +3xydy=0

Learning about homogeneous functions and this was the example given to practice this topic.

Follows • 3

Answers •1

Differential Equations

04/06/15

Laplace Tranform

I'm having trouble doing a linear laplace transform. The question is solve for ivp y'' -2y' +2y = cos t y(0) = 1, y'(0) = 0

Follows • 3

Answers •1

Differential Equations Math Maths Math Help

03/25/15

Singular points help

For the differential equation:2(1-x)y''-3y'+(y/x)=0What are the singular points and determine whether they are regular or irregular? Then find the roots of the indicial equationThank you to whoever... more

Follows • 3

Answers •1

Differential Equations

03/21/15

Find the initial value problem

Can u help me solve this problem: (cos y) dy/dx - sin(y) = x, where y(0)=0

Follows • 2

Answers •1

Differential Equations

03/13/15

Differential equation relating the height of the water to time.

A toilet cistern was emptied and refilled and the following data obtained:t = [ 0 2 3 4 5 8 14 23 28 34 41 53 74] time in seconds h = [17.5 11 7 4 2 0.5 5 10 12 15 16 17 17.5]; height in... more

Follows • 3

Answers •1