Consider the equation t^2 -y"-t(t+2)y'+(t+2)y=2t^3,
(t>0). Given that y1(t)=t3, y2(t)=te^t are the two fundamental
solutions of...
Consider the equation t^2 -y"-t(t+2)y'+(t+2)y=2t^3,
(t>0). Given that y1(t)=t3, y2(t)=te^t are the two fundamental
solutions of the corresponding homogeneous equation, find the
general solution of the nonhomogeneous equation.
Solutions
Expert Solution
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a)
The functions y1 = x^2 and y2 = x^5 are
two solutions of the equation
x^2 y ″ − 6 x y ′ + 10 y = 0.
Let y be the solution of the equation x^2 y ″ − 6 x y
′ + 10 y = 3 x^5
satisfyng the conditions y ( 1 ) = 0 and y ′ ( 1 ) =
1.
Find the value of the function f ( x ) = y ( x )...
a) Verify that y1 and y2 are fundamental solutions of the given
homogenous second-order linear differential equation
b) find the general solution for the given differential
equation
c) find a particular solution that satisfies the specified
initial conditions for the given differential equation
y'' - y = 0 y1 = e^x, y2 = e^-x : y(0) = 0, y'(0) = 5
Consider the IVP t2y''−(t2 + 2)y' + (t +
2)y = t3 with y(1) = 0 and y'(1) = 0.
• One function in the fundamental set of solutions is
y1(t) = t. Find the second function y2(t) by
setting y2(t) = w(t)y1(t) for w(t) to be
determined.
• Find the solution of the IVP
Consider the IVP t2y''−(t2 + 2)y' + (t +
2)y = t3 with y(1) = 0 and y'(1) = 0.
• One function in the fundamental set of solutions is
y1(t) = t. Find the second function y2(t) by
setting y2(t) = w(t)y1(t) for w(t) to be
determined.
• Find the solution of the IVP
Given the differential equation y’’ +5y’+6y=te^t with start
value y(0) = 0 and y’(0). Let Y(s) be the Laplace transformed of
y(t).
a) Find an expression for Y(s)
b) Find the solution to the equation by using inverse Laplace
transform.
Suppose y1 = -6e3t - 6t2 and
y2 = 4e-2t - 6t2 are both
solutions of a certain nonhomogeneous equation: y'' + by' + cy =
g(t).
a. Is y = 12e3t - 4e-2t + 6t2
also a solution of the equation?
b. Is y = -6t2 also a solution of the equation?
c. Could any constant function y = c also be a solution? If so,
find all possible c.
d. What is the general solution of the equation?...
a) verify that y1 and y2 are fundamental solutions
b) find the general solution for the given differential
equation
c) find a particular solution that satisfies the specified
initial conditions for the given differential equation
1. y'' + y' = 0; y1 = 1 y2 = e^-x; y(0) = -2 y'(0) = 8
2. x^2y'' - xy' + y = 0; y1 = x y2 = xlnx; y(1) = 7 y'(1) =
2
The parametric equations
x = x1 +
(x2 −
x1)t, y
= y1 +
(y2 −
y1)t
where
0 ≤ t ≤ 1
describe the line segment that joins the points
P1(x1,
y1)
and
P2(x2,
y2).
Use a graphing device to draw the triangle with vertices
A(1, 1), B(4, 3), C(1, 6). Find the
parametrization, including endpoints, and sketch to check. (Enter
your answers as a comma-separated list of equations. Let x
and y be in terms of t.)