设y=lntanx求阶d^2y/dx^2

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设y=lntanx求阶d^2y/dx^2
设y=arcsinx+lntanx,求dy/dx

设y=arcsinx+lntanx,求dy/dx设y=arcsinx+lntanx,求dy/dx设y=arcsinx+lntanx,求dy/dxdy/dx=1/√(1+x^2)+sec^2x/tanx

设y=xarcsinx+lntanx,求dy/dx

设y=xarcsinx+lntanx,求dy/dx设y=xarcsinx+lntanx,求dy/dx设y=xarcsinx+lntanx,求dy/dxarcsinx+x/√(1-x^2)+1/(sinxcosx)

设y=xcosx;求(d^2y)/(dx^2)

设y=xcosx;求(d^2y)/(dx^2)设y=xcosx;求(d^2y)/(dx^2)设y=xcosx;求(d^2y)/(dx^2)都忘了差不多了.y=xcosxy/x=cosxd(y/x)=dcosx=1?(d^2y)/(dx^2)

高手帮忙 详细过程 求导数 y=lntanx/2

高手帮忙详细过程求导数y=lntanx/2高手帮忙详细过程求导数y=lntanx/2高手帮忙详细过程求导数y=lntanx/2令y=lnu,u=tanv.v=x/2所以y'=(lnu)'(tanv)'(x/2)'=(1/u)(sinv/co

高手帮忙 详细过程 求导数 y=lntanx/2

高手帮忙详细过程求导数y=lntanx/2高手帮忙详细过程求导数y=lntanx/2高手帮忙详细过程求导数y=lntanx/2y'=1/(tanx/2)(tanx/2)'=1/(tanx/2)[sec(x/2)]^2乘以1/2=1/2乘以1

y=lntanX/2求微分的详细过程

y=lntanX/2求微分的详细过程y=lntanX/2求微分的详细过程y=lntanX/2求微分的详细过程y=lnuu=tanvv=x/2所以y'=1/u*u'=[1/tan(x/2)]*sec²v*v'=[1/tan(x/2)

求偏导数.z=lntanx/y

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设y=ln(x+根号(x^2+4),求d^2y/dx^2

设y=ln(x+根号(x^2+4),求d^2y/dx^2设y=ln(x+根号(x^2+4),求d^2y/dx^2设y=ln(x+根号(x^2+4),求d^2y/dx^2所求就是y对x的二阶导数y'=(x+根号(x^2+4))'/(x+根号(

设函数y=sin(2x²+1),求dy/dx,d²y/dx²

设函数y=sin(2x²+1),求dy/dx,d²y/dx²设函数y=sin(2x²+1),求dy/dx,d²y/dx²设函数y=sin(2x²+1),求dy/dx,d&

设y=sin^2[f(x^2)],其中f具有二阶导数,求d^2y/dx^2

设y=sin^2[f(x^2)],其中f具有二阶导数,求d^2y/dx^2设y=sin^2[f(x^2)],其中f具有二阶导数,求d^2y/dx^2设y=sin^2[f(x^2)],其中f具有二阶导数,求d^2y/dx^2

y=lntanx的二阶导数,

y=lntanx的二阶导数,y=lntanx的二阶导数,y=lntanx的二阶导数,y=lntanxdy/dx=d(lntanx)/d(tanx)*d(tanx)/dx=1/tanx*sec²x=2csc(2x)d²y/

求微分 方程y-2x=(x-y)ln(x-y) 求dy/ dx 和d^2y/ dx^2如题··设函数

求微分方程y-2x=(x-y)ln(x-y)求dy/dx和d^2y/dx^2如题··设函数y=y(x)由方程y-2x=(x-y)ln(x-y)所确定求dy/dx和d^2y/dx^2有公式什么的···谢谢···求微分方程y-2x=(x-y)l

设f''(u)存在,求下列函数的二阶导数d^2y/dx^2 (1)y=f(x^2) (2)y=设f'

设f''(u)存在,求下列函数的二阶导数d^2y/dx^2(1)y=f(x^2)(2)y=设f''(u)存在,求下列函数的二阶导数d^2y/dx^2(1)y=f(x^2)(2)y=f(sinx)设f''(u)存在,求下列函数的二阶导数d^2

求函数y=lntanx/2-cosxlntanx的导数这道题的答案是sinxlntanx我看不懂,

求函数y=lntanx/2-cosxlntanx的导数这道题的答案是sinxlntanx我看不懂,求函数y=lntanx/2-cosxlntanx的导数这道题的答案是sinxlntanx我看不懂,求函数y=lntanx/2-cosxlnta

设函数y=y(x)由x=1-e^t和y=t+e^-t确定,求dy/dx和d^2y/dx^2

设函数y=y(x)由x=1-e^t和y=t+e^-t确定,求dy/dx和d^2y/dx^2设函数y=y(x)由x=1-e^t和y=t+e^-t确定,求dy/dx和d^2y/dx^2设函数y=y(x)由x=1-e^t和y=t+e^-t确定,求

设函数y=y(x)由方程y=xe^y确定,求dy/dx和d^2/dx^2请给具体的步骤

设函数y=y(x)由方程y=xe^y确定,求dy/dx和d^2/dx^2请给具体的步骤设函数y=y(x)由方程y=xe^y确定,求dy/dx和d^2/dx^2请给具体的步骤设函数y=y(x)由方程y=xe^y确定,求dy/dx和d^2/dx

设y=2arctany/x,求dy/dx,dy^2/d^2x.

设y=2arctany/x,求dy/dx,dy^2/d^2x.设y=2arctany/x,求dy/dx,dy^2/d^2x.设y=2arctany/x,求dy/dx,dy^2/d^2x.设y=2arctan(y/x),求dy/dx,d

y=lnsinx 求d^2y/dx^2

y=lnsinx求d^2y/dx^2y=lnsinx求d^2y/dx^2y=lnsinx求d^2y/dx^2请多多加油啊

y=lntanx/3求导

y=lntanx/3求导y=lntanx/3求导y=lntanx/3求导y'=1/tan(x/3)×[tan(x/3)]'=1/tan(x/3)×[sec(x/3)]平方×(x/3)'=1/[3sin(x/3)cos(x/3)]=2/3si

设f''(x)存在,求下列函数的二阶导数d^2y/dx^21.y=f(x) 2.y=ln[f(x)]

设f''(x)存在,求下列函数的二阶导数d^2y/dx^21.y=f(x)2.y=ln[f(x)]设f''(x)存在,求下列函数的二阶导数d^2y/dx^21.y=f(x)2.y=ln[f(x)]设f''(x)存在,求下列函数的二阶导数d^