Long Answer Type
Short Answer TypeLong Answer TypeEvaluate as limit of sums:Â 
Comparing 
           
          .................................................................
               
Now, Â Â Â Â Â Â 
   
   Â
                                    
    
                                           
    
    
                                                    
    
   Â
 as the limit of a sum.
 as the limit of a sum.
 as the limit of sums. 
 as the limit of a sum.
 as the limit of sum.
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