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Identifikasi Inversnya:
Langkah 2:
Komposisikan:
2xy+y = x
2xy-x = -y
x(2y-1)=-y
x = -y / 2y-1
f^-1(x)= -x/2x-1
f^-1(2x-1) = -(2x-1) /2 (2x-1)-1
= -2x+1 / 4x-3