limx趋近于0 [∫(0到x)t*(e^at-1)dt] / x^3 =2 求a如图
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limx趋近于0 [∫(0到x)t*(e^at-1)dt] / x^3 =2 求a如图
limx趋近于0 [∫(0到x)t*(e^at-1)dt] / x^3 =2 求a如图
limx趋近于0 [∫(0到x)t*(e^at-1)dt] / x^3 =2 求a如图
左边=lim(x->0) x(e^ax-1)/3x^2
=lim(x->0) ax/3x
=a/3
=2
a=6
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