y=ln(1-x^2),则y’= ,y'丨(x=0) =

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y=ln(1-x^2),则y’= ,y'丨(x=0) =
x){P"N3+5̴UЩTcP(`kTOr;W5VS64BbUUhB$*5⺆g Ov/Tڢik`_\gu 2bV(@]\dz

y=ln(1-x^2),则y’= ,y'丨(x=0) =
y=ln(1-x^2),则y’= ,y'丨(x=0) =

y=ln(1-x^2),则y’= ,y'丨(x=0) =
y'=1/(1-x²)*(1-x²)'
=1/(1-x²)*(-2x)
=2x/(x²-1)
所以y'|(x=0)=0

y'=1/(1-x^2)*(1-x^2)'=-2x/(1-x^2)
y'丨(x=0) =0