lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)怎么算写错了,lim(x→0)(x^2+2cosx-2)/(x^3)*ln(1+x).
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/28 06:43:32
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lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)怎么算写错了,lim(x→0)(x^2+2cosx-2)/(x^3)*ln(1+x).
lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)怎么算
写错了,lim(x→0)(x^2+2cosx-2)/(x^3)*ln(1+x).
lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)怎么算写错了,lim(x→0)(x^2+2cosx-2)/(x^3)*ln(1+x).
lim(x→0)(x^2+cosx-2)/(x^3)*ln(1+x)
=lim(x→0)(0+1-2)*(ln(1+x)/(x^3))
=lim(x→0) -(ln(1+x)/(x^3))
=im(x→0) -1/[(1+x)*(3x^2)]
=im(x→0) -1/(3x^2)
负无穷
不会计算 呢
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