Jawabanmu

2014-06-26T09:35:24+07:00
#
Anggap y = (2 - x) / (3x + 1)
<> 3xy + y = 2 - x
<> 3xy + x = 2 - y
<> x(3y + 1) = 2 - y
<> x = (2 - y) / (3y + 1)
inversnya = (2 - x) / (3x + 1)
2014-06-26T09:47:55+07:00
G(x)=y > y=2-x/3x+1
3xy+y=2-x > x dan y ditukarkan
3xy+x=2-y
x(3y+1)=2-y
x=2-y/3y+1
jadi g invers= 2-x/3x+1