求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0
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求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0
![求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0](/uploads/image/z/8220110-14-0.jpg?t=%E6%B1%82%E6%9E%81%E9%99%90%EF%BC%9Alim%28x%5E2%2Asinx-2x%5E3%29%2F%28x%5E3%2B2x%5E4%29+%E5%BD%93x%E8%B6%8B%E5%90%91%E4%BA%8E0)
lim(x→0) (x^2*sinx-2x^3)/(x^3+2x^4)
=lim(x→0) (sinx-2x)/(x+2x^2) (0/0)
= lim(x→0) (cosx-2)/(1+2x)
=-1
=lim(x→0) (sinx-2x)/(x+2x^2) (0/0)
= lim(x→0) (cosx-2)/(1+2x)
=-1
求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0
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