1,272 Answered Questions for the topic differential equations
Differential Equations
10/16/18
A checking account is set up with a initial balance $4,800, and $300 is removed from the account each month for rent. How many months will it take for the account balance to reach $1,500?
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Differential Equations Equations
10/15/18
Partial Differentiation
The Function f(x,y)= x^2+y^2+xy+9x has one critical point. Find it and identify it as a local max local min or saddle point
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Differential Equations Calculus
10/12/18
Differentiation Problem
If f and g are differentiable functions for all real values of x such that f(1) = 4, g(1) = 3, f ' (3) = -5, f ' (1) = -4, g ' (1) = -3, g ' (3) = 2, then find h ' (1) if h(x) = f(x) / g(x).
Differential Equations Calculus
10/11/18
Differential Equation second order using series (reccurrence relation)
(dy^2/d^2x)+(1-x)(dy/dx)-y=0 Initial Conditions y(0)=-1; dy/dx(0)=2I am able to solve the reccurence relation, but Im not sure how to find the values of a0 and a1 using the inital conditions. Can...
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Differential Equations
10/09/18
Differentiate the function. h(t) = t^(1/3) − 3e^t
its a differential equation
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08/07/18
Solve ODE with initial conditions
Solve:
dA/dt = -10A
A(0) = 5
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I tried integrating both sides:
dA/-10A = dt
int(dA/-10A) = int(dt)
-1/10*int(A^-1 dA) = t + c
but I'm not sure what else to do
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Differential Equations
07/23/18
Solve the differential equation (x^2 -1)dy/dx =-(x^2+1)y
Given y=1 when x=3. Express y as a function of x
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Differential Equations
07/20/18
Solve differential equation : x(3x+2y^2)dx+2y(1+x^2)dy=0
This is to be done with linear equations form.
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Differential Equations Calculus 2
06/30/18
Determine which function is a solution to the differential equation y ' − y = 0.
a) e^x
b) square root of 2x
c) x
d) none of these
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06/30/18
Solve the differential equation
the product of 1/6x and dy/dx equals y times the square root of the quantity 3x squared - 1.
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Differential Equations
06/07/18
differential equations
Hi, can somebody help me to solve these differential equations.
1. Da*(ex+sqrt(a))/sinx
2. D[e2xcos(3x)]
3. D*1/sqrt(1+x2)
4. m(t)= In (t/t0)2
5. du(t)/dt, when u(t)= u...
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Differential Equations Maths
05/31/18
How to solve exact differential equation?
Hello all!New to this Q&A thing so go easy on me please :)
I'm finding difficultly solving this question. Could someone help me find the answer + show all working that would be great :)
dy...
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Differential Equations
05/27/18
solve [x D^2 +(1-x)D-1]y=e^x
by operational factors
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Differential Equations
05/09/18
The rate of change of y with respect to t is proportional to 50-t.
solve the differential equation
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04/28/18
Differential Equation Question Please Help.
Solve the following initial-value problem using Laplace transforms.
y''- y' - 2y = 5sin(x) ; y(0) = 1 , y'(0) = -1
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Differential Equations
04/24/18
how to reduce a second order differential equation to bessels equation
Dear expert, kindly suggest how to solve a second order differential equation by transforming it into Bessels' differential equation using a given substitution.
Eg solve: xy''+y'+y/4=0 using...
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Differential Equations
03/27/18
Differential Equations.
I've been trying to solve this problem for hours.
Find the solution of the differential equation
(ln(y))^4 dy/dx=x^4*y
which satisfies the initial condition y(1)=e^2
y=?
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03/25/18
Differential Equation Question
How would I write this in matrix form (x' = AX)
x' = x
y' = y
Note: Is it supposed to be like this: x' = (1 v 1)(x v y) or x' = (1 + 0 v 1 + 0)(x v y)? Note: the "v" means the value after...
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03/24/18
Differential Equation Problem. No clue how to do this.
Find the derivatives of each of the following vectors.
x(t) = [ t3 - 2t2 +t
etsin(t) ]
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03/19/18
Differential Equation Problem: Undetermined Coefficient
Determine the specific solution of the following initial-value problems. Use the method of undetermined coefficients to find the particular solution.y'' - 2y' + 2y = x3 - 5, y(0)=6 and y'(0)=0Note:...
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03/17/18
Differential Equation Question: 2nd Order DE. Need Help.
Using the method of undetermined coefficients, determine the general solution of the following second-order, linear, non-homogenous equations.
y'' - 2y' + 2y = sin(x) + cos(2x)
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03/16/18
Differential Equation: 2nd Order DFQ. Please Help
Using the method of undetermined coefficients, determine the general solution of the following second-order, linear, non-homogenous equation.
y''- 4y' + 4y = 2e2x+3
note: I assume Yp =...
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03/11/18
Differential Equation: Need Help
Determine the specific solution of the following initial-value problems. y''-6y'+9y=0, y(-2)=1 and y'(-2)=0
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03/11/18
Differentials to find approximate amount of paint
A coat of paint of thickness 0.06 cm is to be applied uniformly to the faces of a cube of edge 32 cm. Use differentials to find the approximate amount of paint required for the job, correct to the...
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