[老姜] 微積分算法?
題目是求極限
x^3sin(1/x)
Lim ____________
x->0 sin(x^2)
x^2
=lim _________ * xsin(1/x)
sin(x^2)
=lim xsin(1/x)
=-x< xsin(1/x) < x (他這步把我圈起來........)
= =
這樣算有錯嗎? 就差這一分~~~淦
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