Transforms of Periodic Functions - Differential Equations

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Question

Find the Laplace transform of the periodic function.

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Answer

This particular piecewise function is called a square wave. The period of this function is the length at which it takes the function to return to its starting point.

For this particular function

it has a period of

.

and furthermore,

Using the Transform of a Periodic Function Theorem which states,

the problem can be solved as follows.

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