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5:41 AM
@XanderHenderson It's much worse than you state in your comments; even riemann surfaces cannot salvage the nonsense in that post, because in that setting ∞/∞ is still ill-defined. In simple terms, that post is simply meaningless.
 
6:41 AM
@user21820 ... also a duplicate.
 
 
2 hours later…
8:17 AM
D1, D2, D3.
D4, D5, D6.
D7, D8, D9.
C1, C2, C3.
C4, C5, C6.
C7, C8, C9.
 
 
5 hours later…
12:54 PM
Sigh... Gamification is evil. :(
 
 
7 hours later…
7:39 PM
https://math.stackexchange.com/q/3367014/29335

You better hurry: you only have four days in which to close this urgent link-to-a-sideways-scan-of-homework.
 

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