1、If y=(x^2+1)^1/2,then the derivative of y^2 with respect t
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1、If y=(x^2+1)^1/2,then the derivative of y^2 with respect to x^2 is
2、if y=x^2+x,then the derivative of y with reespect to 1/(1-x) is
2、if y=x^2+x,then the derivative of y with reespect to 1/(1-x) is
利用复合函数求导法则.
1、 dy^2/dx^2=dy^2/dx*dx/dx^2=dy^2/dx*1/(dx^2/dx)=2x*(1/2x)=1
2、dy/d(1/(1-x))=dy/dx*dx/d(1/(1-x))= (2x+1)*(1/d(1/(1-x))/dx)=(2x+1)*(1/(1-x)^2)=(2x+1)(1-x)^2.
1、 dy^2/dx^2=dy^2/dx*dx/dx^2=dy^2/dx*1/(dx^2/dx)=2x*(1/2x)=1
2、dy/d(1/(1-x))=dy/dx*dx/d(1/(1-x))= (2x+1)*(1/d(1/(1-x))/dx)=(2x+1)*(1/(1-x)^2)=(2x+1)(1-x)^2.
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