Third Midterm—Practice Test
In the exam, we will be using Table 6.2.1 from Boyce-DiPrima as aid in our problems involving Laplace transforms. Feel free to use that table in these problems as well.
- Show that and are linearly independent solutions on the real line of the equation Verify that the Wronskian is identically zero. Why do these facts not contradict Theorem 3 in page 154?
- A second-order Euler equation is one of the form
where are constants. Show that for non-negative values of the substitution transforms the previous equation into the constant-coefficient linear equation
with independent variable If the roots and of the characteristic equation of the previous differential equation are real and distinct, conclude that a general solution of the Euler equation is
- Find a function such that for all and and
- Find a particular solution of the equation using both the method of variation of parameters, and undetermined coefficients.
- Find the solution of the equation that satisfies the initial conditions Use both undetermined coefficients and methods based on the Laplace transform.
- Find the Laplace transform of the function
- Find the inverse Laplace transform of the function
- Find the inverse Laplace transform of the function
- Solve the initial value problem with using exclusively methods based on the Laplace transform.
- Find the Laplace transform of the functions and
Comments (0)
Leave a comment