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kragen
on Feb 28, 2022
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What use is mental math in 2022?
Probably they meant (1-⅚)ⁿ.
leephillips
on Feb 28, 2022
[–]
Also wrong.
kragen
on Feb 28, 2022
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parent
[–]
Yes, but less implausibly so. At least it gives the right answers for
n
= 0 and
n
→ ∞.
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