y=(2x-1)*(1-x^2)^(1/2) y=[(2x-1)*(1-x^2)^(1/2)]' =(2x-1)'*(1-x^2)^(1/2)+(2x-1)*[(1-x^2)^(1/2)]' =2*(1-x^2)^(1/2)+(2x-1)*[(1/2)*(1-x^2)^(-1/2)]*(1-x^2)' =2*(1-x^2)^(1/2)+(2x-1)*[(1/2)*(1-x^2)^(-1/2)]*(-2x) =2*(1-x^2)^(1/2)-x(2x-1)*(1-x^2)^(-1/2) 希望帮助你解决了这个问题,学习顺利。
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