求导:1:y=ln(1-x) 2:y=ln 1除以根号下1-x 3:y=ln根号下1-x 4:y=ln 1除以1-x
人气:358 ℃ 时间:2019-08-29 07:06:39
解答
1,y=ln(1-x)y'=1/(1-x)*(1-x)'=1/(1-x)*(-1)=1/(x-1);2,y=ln [1/√(1-x)]=-ln √(1-x)y'=-1/√(1-x)*[√(1-x)]'=-1/√(1-x)*[(1/2)*1/√(1-x)]*(1-x)'=-1/√(1-x)*[(1/2)*1/√(1-x)]*(-1)=1/[2(1-x)]3,y=ln √(1-x)y...
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