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Textbook Expert
Textbook ExpertVerified Tutor
15 Dec 2021

Given information

Take the curve as  .

The region lies between   and  . Hence, the limits are   and  

Step-by-step explanation

Step 1.

Consider that the Number of rectangles as  .

The expression to find the Riemann sum at the left endpoint   is shown below:

 

Here, the height of sample at the left endpoint is  and the width is  

Find the width   using the relation:

 ..........(2)

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