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What's the sum Sn of the first n terms of this given sequence? 1, 1+2, 1+2+3, 1+2+3+4, ... The kth term is 1+2+3+ ... +k = (I also attached a picture of the question. Thank…
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What's the sum Sn of the first n terms of this given sequence? 1, 1+2, 1+2+3, 1+2+3+4, ... The kth term is 1+2+3+ ... +k = (I also attached a picture of the question. Thank…
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Feb 8, 2023
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What's the sum Sn of the first n terms of this given sequence?
1, 1+2, 1+2+3, 1+2+3+4, ...
The kth term is 1+2+3+ ... +k =
(I also attached a picture of the question. Thanks!)
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Answer:
Explanation:
This is a standard formula.
OptimusPrime
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