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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
21 Dec 2021

Given information

Given that following equation,

 

 

Step-by-step explanation

Step 1.
Let us find the limit:
 
        As   comes very close to   can be negative and   will be positive.
 
        
                                                If  , when  then   
 
                                                We used the rule above to simplify.
 
 

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