Mathematics
Senior High
Solved
どこから最後の運動会-1/2xが出てきたのでしょうか?
(5) e=tとおくと
e*dx=dt
S
dx
1
.e"dx
e*-2
1
dt=
(t-2)t
t-2
;(loglt-2 - log||)+C
2
(log|e*-2|-1oge")+C
2
=logle"-2| -*+C
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