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Textbook Expert
Textbook ExpertVerified Tutor
26 Dec 2021

Given information

Given:-

Step-by-step explanation

Step 1.

may assume that positive, zero or negative values on [a,b]

depending whether is grater, equal to , or less than for some .

, is never negative, and its graph is obtained by the reflecting the negative parts of over the x-axis.

We subdivide the domain of into intervals  

as the graph of  alternates above/below the x-axis.

On the intervals where , we take  

On the intervals where , we take .

 

For each interval , calculate 

 

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