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What's the explicit formula HELP
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Apr 6, 2019
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What's the explicit formula HELP
Mathematics
high-school
Dukethrash
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Dukethrash
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1
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replace N with 6
6(6+1)(2(6)+1) / 6
(6*7*13) / 6
546 / 6 = 91
Answer is C
Masoud Haghbin
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Apr 11, 2019
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Masoud Haghbin
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