Question: Evaluate the sum indicated by the notation i=110(9i2-9i).Using the properties of summation notation, we get i=110(9i2-9i)=i=110i=110.Substituting the sums and powers of integers (in terms of
Evaluate the sum indicated by the notation i=110(9i2-9i).Using the properties of summation notation, we get i=110(9i2-9i)=i=110i=110.Substituting the sums and powers of integers (in terms of n) we get 9-9Plugsing in n=10 and simplifying, we get
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