※ 引述《bitchdog (PEaCE)》之銘言:
: lim sin(t)
: t→0+ _______
: √(t)
sin(t)
lim -------
t→0+ √(t)
sin(t)
= lim (√(t))(--------)
t→0+ t
sin(t)
= (lim √(t))(lim --------)
t→0+ t→0+ t
= (0)*(1) = 0
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