1,272 Answered Questions for the topic differential equations

Differential Equations

05/07/20

Find two linearly independent power series solutions for the DE
Find two linearly independent power series solutions for the DE, giving three nonzero terms for eachy''+y'+xy=0
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Differential Equations Integral Calculus

05/02/20

Answer these questions please.
Find the differentiation of the function š‘“(š‘„)=tanš‘„ using the first principal method.ļ»æ
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Differential Equations

05/02/20

Second order differential equation
How do you solve the second order differential equation below?y'' + 3y' +2y = 1 / (1+e^x)
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Differential Equations

04/30/20

Use the matrix exponential to solve the system X'=AX where...
Use the matrix exponential to solve the system X'=AX where... 4 -3A= ( ) 3 4
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Differential Equations

04/30/20

Use the Method of Undetermined coefficients to solve the system X'=AX+F where...
4 2 -15A= ( ) , F(t)= ( ) *te^(-2t) 3 -1 -4
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Differential Equations

04/30/20

Use the Method of Undetermined coefficients to solve the system X'=AX+F where...
Use the Method of Undetermined coefficients to solve the system X'=AX+F where 4 2 -8tA=( ) , F(t)= ( ) 3 -1 2t+3
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Differential Equations Calculus Derivative Limits Of A Function

04/30/20

A Set of Very Difficult Limitation and Derivation Questions
Find the value of B if the graph y = b/x^2 has its tangent line defined by bx - 4y +21 = 0 Find the nth derivative f^(n) for f(x) = x/x+1 Find the value(s) of K for which lim x->3... more
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Differential Equations

04/29/20

differential equations
Consider the ODE y/x y' + y(y āˆ’ 1) = 0. (a) Verify that y1 = e^(āˆ’ 1/2 x^2) is a solution to the ODE y/x y'+ y^2 = 0. (b) Use the variation of parameters substitution y = Āµy1 to find a family of... more
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Differential Equations

04/29/20

differential equations
Consider the differential equation x^4 y^4 dx + x^5 y^3 dy = 0 (a) Show that the equation is not exact. (b) Show that Āµ = xy2 is an integrating factor. (c) Find an implicit solution for the... more
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Differential Equations

04/29/20

differential equations
Set up a differential equation to model the salt mass for the following information. ā€˜A 100 liter tank starts with 20 L of pure water. A saline mix of 10 grams of salt per liter of water is pumped... more
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Differential Equations

04/25/20

Show that the given functions are orthogonal on the indicated interval. f1(x) = x, f2(x) = x4; [āˆ’2, 2]
Give integrand in terms of xĀ 
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Differential Equations

04/21/20

Solve the integral equation
Solve the integral equation tf(t) + āˆ« f(Ī¤) dĪ¤ =1 0Note: the capital T's are the greek letter Tau I'm not sure if that makes much of a difference but I thought I ought to clarify.
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Differential Equations

04/21/20

Transform of a convolution problem
Find L^-1 {1/((s^3)*(s-1))} as a convolution and then evaluate the convolution
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Differential Equations

04/20/20

five more than twice a number is 7

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Differential Equations Calculus Functions Derivative

04/16/20

How do I find and classify the stationary points of a function using its derivative?
The function f(x)= 4x3 - 11x2 + 6x + 5The derivative: f'(x) = 12x2 + 22x + 6Task: Using this derivative, find and classify the stationary points of f(x).
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Differential Equations

04/16/20

the product of 4 and the sum of -5 and a number is -35
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Differential Equations

04/15/20

Linear Equations
Sheila's job has a base monthly salary of $1,300.Ā For every sale she makes, she earns $50.Ā If Sheila's goal is to earn $5,450 this month, how many sales does she need to make?
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Differential Equations

04/15/20

College Algebra

If f(x)=2x-1, h(fox)= -x-2 ; then find (f(h) 4
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Differential Equations

04/14/20

College Algebra

If f(x)=2-x then f(x+h)=
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Differential Equations

04/14/20

I am having trouble to solve this kind of question

suppose that f(x)=3x-1. find f(a+h)-f(a)/h
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Differential Equations

04/13/20

Eleven less than five times a number is 59
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Differential Equations Math Exponents Story Problems

04/09/20

math help please!!!!!!!
Ā FInd the exponential equation that goes through the following sets of points.Ā (0, 7)Ā and (2, 63) 2)Ā (0, 3) and (1, 15)3)Ā (0, 0.2) and (4, 51.2) 4)Ā (0, -2) and (-2, -32)5)Ā In 1983 there... more
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Differential Equations

04/08/20

What is 2x + z; (Let x = 2, y = 3, z = 5)Ā *
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Differential Equations Y=mx+b

04/08/20

what is the equation of a line with a y-intercept of 6 and an x-intercept of 9
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Differential Equations Calculus

04/08/20

laplace transform
A mass of 1 slug is suspended from a spring whose spring constant is 9 lb/ft. The mass is initially released from a point 1 foot above the equilibrium position with an upward velocity of... more
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