SOLUTION: Express the sum using summation notation. 1/4+2/5+1/2+...+11/14

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Question 1059748: Express the sum using summation notation.
1/4+2/5+1/2+...+11/14
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!
1/4+2/5+1/2+...+11/14
If you consider the  as , then it goes



where the numerators go 1,2,3,4,...,11 which is n going 
from 1 to 11.  Then the denominators go 4,5,6,7,...,14
and each denominator is always 3 more than the numerator.
So the denominators are the numerators, n, plus 3, so the 
summation is



Edwin
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