Question

Kerry

請問第26題，我沒有用連鎖率，但為什麼算完的答案是對的？

Sxe
let u=X. -1
V = veze
(the 11 22
22e²(x-2)
Let o
da
SIX-26.
#
La=
da:
*(lux) dx
2
U.
X
30 (2) - 52%: 65 ) )
exe sexe
EX-4. Tato
3 [2x & 4[2X 8 - 12 e dx]
(2x 17 8 e (x-2)] = 3x - 26 x 2) - (2x & 4[2x68-413]
dies
X
dain Rake! a 3x 8-6 [2X4846
le volt. 1
= 3x²2 12x + 24 6 8 ca
let u = ln X , ut
Suvdx= = uov-suíu dx
- 1985.193-3- " ditadum Bocedu
(Inx)? lnx - 8-3:( ln xt. lnx dx S
= (n X) + 3 5 (nx)" d
= ( lnx ) ² + 3. (Anx)" to
-- I 1 lax) * Ca
= (en x)² ( 1 - 3 / 3] + CH
V- L
x
V = ln X
x
二
-2
-
4 C
-2 + c
-2