Why is -2/2 Added in the Manipulation of the Numerator in Laplace Transform?

In summary, Laplace operational properties refer to the mathematical properties of the Laplace transform, a powerful tool used in the field of differential equations. These properties include linearity, time shifting, differentiation and integration, convolution, and initial value theorem. These properties make the Laplace transform a useful tool for solving complex mathematical problems and analyzing systems in various fields such as engineering, physics, and economics. Understanding these properties is essential for effectively utilizing the Laplace transform in problem-solving and analysis.
  • #1
juice34
I need help with a inverse laplace L^-1{[(s/2)+(5/3)]/[s^2+4s+6]} My book says we have to manuipulate the numerator and it says [(s/2)+(5/3)]=(s+2)/2 +5/3-2/2. I have no idea where the -2/2 came from can someone help me out? I will be greatly appreciated.

Jay G.
 
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  • #2
s/2 = (s+2)/2 - 2/2
 
  • #3
Thanks

Thanks guys, i figured it out.
 

FAQ: Why is -2/2 Added in the Manipulation of the Numerator in Laplace Transform?

What are the Laplace operational properties?

The Laplace operational properties refer to a set of mathematical properties that describe how the Laplace transform operates on a function. These properties are useful for simplifying calculations and solving differential equations.

What are the five main Laplace operational properties?

The five main Laplace operational properties are linearity, time-shifting, frequency-shifting, differentiation, and integration. Linearity states that the Laplace transform of a sum of functions is equal to the sum of their individual transforms. Time-shifting allows for the transformation of a function that has been shifted in time. Frequency-shifting allows for the transformation of a function that has been shifted in frequency. Differentiation allows for the transformation of the derivative of a function. Integration allows for the transformation of the integral of a function.

How do the Laplace operational properties simplify calculations?

The Laplace operational properties allow for the transformation of complex functions into simpler forms, making it easier to solve differential equations and other mathematical problems. For example, the differentiation property allows for the transformation of a differential equation into an algebraic equation, which is often easier to solve.

What are some real-world applications of the Laplace operational properties?

The Laplace operational properties are used in a variety of fields, such as engineering, physics, and economics. They are particularly useful in solving differential equations that model real-world systems, such as electrical circuits, mechanical systems, and economic systems.

Are there any limitations to the use of the Laplace operational properties?

While the Laplace operational properties are powerful tools for solving mathematical problems, they do have some limitations. For example, they can only be applied to functions that have a Laplace transform, and they may not work for functions that have singularities or are not well-behaved. Additionally, the use of these properties requires a good understanding of the underlying mathematics and may not always provide a unique solution to a problem.

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