Mathematics
Senior High
Solved
こう解くのはなぜ間違いなんですか?
1 次の定積分を求めよ。
f*(log x) ³dx
2
e
1
S. xlogx dx
T
ⓇS²*1+ sinx
(3
1
xogxdx= [log (log x)] = log 2
-dx
(log x) dx = [x(log x)]- 2 log xdx=4e²-2[xlog x − x];ª = 2e² — 2
x logx fx =
*
29
sin2x
1+cosx
19²
1
-dx
TLE
Q
logx=大をする
x = ex
dx.
dt
-
Se zlog z dz
dx = et dt
1.
fe²
Se ett endt = [log x] e²
1
et
da =
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