求数学大神帮我求一下一般的椭圆方程的导数,(对x求导),求详细步骤,用复合函数方法,谢谢! 设椭圆x2a2+y2b2=1你把y看做x的函数,y=y(x)f(x)=x2a2=1-y2b2f'(x)=2xa2=-2y(x)y'(x)b2y'(x...