(ln(1+x))^2-X^2/(1+x)
求导y=ln ln ln(x^2+1)
limx[ln(2x+1)-ln(2x)]=?
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ln^2(1+x)求导
∫ln^2x / x(1+ln^2x) dx
求lim(x趋于无穷大)(ln(x^2-x+1)/ln(x^10+x+1))的极限
已知函数f(x)=x^2-2x+ln[(1-x)/(1+x)]
1、lim ln(1+x+2x^2)+ln(1-x+x^2)/secx-cosx
求 lim ln(1+x+2x^2)+ln(1-x+x^2)/secx-cosx
lim(x趋近于0)[1/ln(x+根号1+x^2)-1/ln(1+x)]
limx趋于无穷大ln(x+√1+x^2)/ln(x+xe^x)