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zarkam21:
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Vocaloid:
this formula again|dw:1516686093936:dw|
zarkam21:
10(1/5^n-1
Vocaloid:
"first five terms" n = ?
zarkam21:
5
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Vocaloid:
good, so apply the formula for n = 5
zarkam21:
623/500
Vocaloid:
10(1/5^5-1)/(1/5 - 1) = ?
zarkam21:
1562/125
Vocaloid:
good
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