[微積] 兩題定積分的極限
1.
sin(x)_______
∫ √tan x dx
0
lim -----------
x→0 tan(x)______
∫ √sin x dx
0
作羅必達變成下式之後就不知道該怎麼辦了
ps.我試著硬再做一次羅必達結果又臭又長又沒結果
___________
√tan(sin x) * cosx
lim ----------
___________ 2
√sin(tan x) * sec x
2.
2x 2c
2t / e \ e
lim ∫ |---| dx 我用積分均值定理=> lim -- * t = 0 ,c在(t,2t)
t→0 t | x | t→0 c
\ /
~
可是答案是ln 2 , 不知道問題出在哪
以上,麻煩大家咧~
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