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What is the sum of the series?​
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3 votes
What is the sum of the series?​

What is the sum of the series?​-example-1
User Jamesmoschou
by
4.4k points

2 Answers

4 votes
44

Hope this helped!!
User Amit Chintawar
by
5.3k points
3 votes

Answer:

44

Explanation:

k=1: 2*1-4 = -2

k=2: 2*2²-4 = 4

k=3: 2*3²-4 = 14

k=4: 2*4²-4 = 28

-2 + 4 + 14 + 28 = 44

User EliteRaceElephant
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