来自孙一康的问题
求导y=(x^5+√x+xsinx)/x^2.
求导y=(x^5+√x+xsinx)/x^2.
1回答
2020-01-29 05:34
求导y=(x^5+√x+xsinx)/x^2.
求导y=(x^5+√x+xsinx)/x^2.
y=(x^5+√x+xsinx)/x^2=x^3+x^(-3/2)+(sinx)/x(显然x>0)
x>0时,有y'=3x^2-(3/2)*x(-5/2)+(xcosx-sinx)/x^2