神马作文网∫(1,2)dx∫(√x,x)sin(πx/2y)dy+∫(2,4)dx+∫(√x,2)sin(πx/2y)dy
∫(1,2)dx∫(√x,x)sin(πx/2y)dy+∫(2,4)dx+∫(√x,2)sin(πx/2y)dy
y=sin[sin(x^2)] 则dy/dx=?
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y=[sin(x^4)]^2,则dy/dx=?,dy^2/dx^2=?,dy/d(x^2)=?
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y=sin(x^2),dy/dx=?
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