Mathematics
Senior High
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逆関数です
この問題の解き方がわかりません。
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y=x+1(x-2)
いて解くと、
· (4) y=-
ワレについて
XY₁ + y = 1
xy=-y +1
1 - 2 + 1
y
よって逆関数はy.
x=
x
1-x
x
(-1 ≤ x < 0)
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