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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
5 Dec 2021

Given information

The integral is   

The estimates were   and   .

Step-by-step explanation

Step 1.
Here,   is decreasing function and is concave up.
The large part of the upper right comer of the rectangles are outside the region.
So, larger estimate is   
 
All rectangles are inside the region with extra space left between the tops of the rectangles.
So, smaller estimate is   

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