



 
Cody, Find a common denominator. Claude Cody, Remember that (n+1)! is just n!(n+1). So multiply the top and bottom of the second fraction by (n+1)/(n+1) to create the common denominator (n+1)!, then simplify your summed numerator. If you can factor the numerator and get factor(s) that are also in the denominator, start cancelling. Stephen La Rocque.>
 


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