[微積] 羅畢達?
求極限
一開始覺得用羅畢達就可解 但似乎還需要一點技巧
1.
lim [ log(1+x+x^2) - x ] / x^2
x->0
2.
lim [ 1/(x-1)^2 ]*[ int root(1+cos(pi*t))dt ]
x->1+ 1 to x
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