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y=ln(x-√x^2+a^2)-arcsin(a/x) 求y' y=ln(x+√1+x^2) 求y‘
人气:167 ℃ 时间:2020-05-25 16:48:38
解答
y=ln(x-√x^2+a^2)-arcsin(a/x)y'=1/(x-√x^2+a^2)*(x-√x^2+a^2)'-1/√[1-(a/x)^2]*(a/x)'=1/(x-√x^2+a^2)*[1-x/√(x^2+a^2)]+1/√[1-(a/x)^2]*(a/x^2)y=ln(x+√1+x^2)y'=1/(x+√1+x^2)*(x+√1+x^2)'=1/(x+...
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