BtaylorTheRogue August 23, 2013 at 2:55 pm I could be wrong, but aren’t 0, 0-, and 0+ completely different things? This is exactly how my pre-calcIII professor taught us to do limits.
Vaughn October 4, 2013 at 11:36 am lim x->0 only exists if lim x->0- and lim x->0+ exist and are equal. But if 0- and 0+ are equal then 0 is the same.
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I could be wrong, but aren’t 0, 0-, and 0+ completely different things?
This is exactly how my pre-calcIII professor taught us to do limits.
lim x->0 only exists if lim x->0- and lim x->0+ exist and are equal. But if 0- and 0+ are equal then 0 is the same.