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Find the sum of the series and show your process for finding each term leading to the final sum.

∑5k=3(−2k+5)

 Feb 25, 2019
 #1
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sumfor(k, 1, 5, 3*(-2*k+5)) = (9, 3, -3, -9, -15) = -15

 Feb 25, 2019
 #2
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thanks

skye25  Feb 25, 2019

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