∫f(x)dx=3e^(x/3)-x+c
兩邊求導(dǎo)得
f(x)=e^(x/3)-1
f(0)=0
lim(x→0) f(x)/x
=lim(x→0) [f(x)-f(0)]/(x-0)
=f'(0)
=1/3e^(x/3)
=1/3
∫f(x)dx=3e^(x/3)-x+c,則 lim f(x)/x= (x趨于0)
∫f(x)dx=3e^(x/3)-x+c,則 lim f(x)/x= (x趨于0)
數(shù)學(xué)人氣:416 ℃時間:2020-05-22 08:01:13
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