Question: Question 21 27 Use summation formulas to evaluate the sum: _ (7k- - 5k + 2). K =1 27 O E (7k2 -5k + 2)

Question 21 27 Use summation formulas to evaluate the sum: _

Question 21 27 Use summation formulas to evaluate the sum: _ (7k- - 5k + 2). K =1 27 O E (7k2 -5k + 2) =46622 K =1 27 O E (7k2 -5k + 2) =50454 K = 1 27 O E (7k2-5k+ 2) =6606 K = 1 27 O E (7k2 -5k +2) =46674 K = 1

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27 Use summation formulas to evaluate the sum: _ (7k2 -5k + 2). k =1 27 O E (7k2-5k+ 2)=46622 K = 1 27 O Z (7k2-5k+ 2) =50454 k =1 27 O E (7k2-5k+ 2) =46674 k = 1 27 O Z (7k2-5k+2) =6606 K = 1

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