Mathematics
Senior High
この矢印のところの変換はどうなってますか？
(3) 曲線 y=log(x-1) と x軸の共有点の x座標は
x=2
2Sxse+1では y20
ce+1
J;
よって
S=
log(x-1)dx
2
e+1
=\.(x-1)log(x-1)dx
7e+1
e+1
=| (x-1)log(x-1)-
dx
=e-{(e+1)-2}=1
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