Laplace and Inverse Laplace Transforms: Solved Problems

Published on May 23, 2026

Calculus

Step-by-step solutions for Laplace transform and inverse Laplace transform problems involving exponential, cosine, and hyperbolic functions.

Question

Answer

Here are the step-by-step solutions for the Laplace transform and inverse Laplace transform problems shown in the image.

Basic Formulas Used:


Solutions:

1.
Using the formula with :
2.
Using the inverse formula with :
3.
Note: This is a non-standard form. Usually, it’s . If the problem meant , then .
Assuming the function is :
4.
Using the formula with :
5.
We solve term by term:
  • (since )

  • Result:
6.
First, rewrite the denominator to match standard forms:


Result:
7.
Multiply and divide by :
Result:
8.
Complete the square in the denominator: .

Using the shifting theorem :
Result:
9.
Using :
Result:
10.
(This is identical to problem 9)
Result: