Mathematics
Undergraduate
この問題なんですけど、2行目の1/x-1/x+1がどうやって出てくるのかわからないです。
(4) S; I (841)
=
fi
· Silé-x+1)dx
X+
= [logxl- log [x+11];
log 2-log 3 - (log 1-log 2)
=0
log 2-log 3 log 2
t
2log 2 = log 3"
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