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Textbook Expert
Textbook ExpertVerified Tutor
3 Jan 2022

Given information

Given

       and  ,

Step-by-step explanation

Step 1.
To evaluate , with and  where we take by using the Integration by Parts formula above, we get
 
 
Now we see that this is not a simple calculation and takes much more effort. On the other hand, if we take we get
 
 
 
Thus we see that using  makes the calculation much simpler.

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