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Artemon [7]
3 years ago
14

Find Sn for the given series if: a1=22 d=-8 n=21 F)1911 G)-1449 H)-2436 I)-1218

Mathematics
1 answer:
GuDViN [60]3 years ago
3 0

3∑x=2 72x5∑x=3 −2x−23∑x=3 −1x2

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In conclusion, the number 23.5 can be written as follows:


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