【微積分速求解】求下列函數(shù)的二階導數(shù)
【微積分速求解】求下列函數(shù)的二階導數(shù)
【1】y=ln(1-x^2)
【2】y=e^sinx
【3】y=ln(x+√(1+x^2))
【4】y=xe^x^2 (e的x的二次方次方)
【1】y=ln(1-x^2)
【2】y=e^sinx
【3】y=ln(x+√(1+x^2))
【4】y=xe^x^2 (e的x的二次方次方)
數(shù)學人氣:322 ℃時間:2020-06-16 01:08:22
優(yōu)質(zhì)解答
(1) y'=-2x/(1-x^2)y''=[-2(1-x^2)-(-2x)*(-2x)]/(1-x^2)^2y''=(-2+2x^2-4x^2)/(1-x^2)^2y''=-(2x^2+2)/(1-x^2)^2(2) y=e^sinxy'=e^(sinx) *(sinx)'=cosx * e^(sinx)y''=(-sinx)e^(sinx)+cosx *e^(sinx) *(cosx)y''=...
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