{若f(x)反函数是g(x),则f'(x)=1\g'(x)}
dy\dx=xe^x,则原函数的一阶导是1\xe^x
则d^2x\dy^2=(1\xe^2)'=-(1+x)\(e^x*x^2)
数学问题x=x(y)是y=y(x)的反函数dy/dx=xe^x,x>0时,球d^2x/dy2
数学问题x=x(y)是y=y(x)的反函数dy/dx=xe^x,x>0时,球d^2x/dy2
数学人气:895 ℃时间:2019-11-18 04:58:47
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