Open ghost opened 9 years ago
lim[x→0] should not evaluate to ∞, it is undefined.
lim[x→0⁺] = ∞ lim[x→0⁻] = -∞
lim[x→0] should not evaluate to ∞, it is undefined.
lim[x→0⁺] = ∞ lim[x→0⁻] = -∞