tahaney140
tahaney140 tahaney140
  • 23-03-2017
  • Mathematics
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What is the inverse function of

What is the inverse function of class=

Respuesta :

Chaconne Chaconne
  • 23-03-2017
The answer is y'=1/(x-1). 


Solution: 
y=(x+1)/x
Switch all the x's with y's, and y's with x's.
x=(y+1)/y
xy=y+1
xy-y=1
y(x-1)=1
y'=1/(x-1)
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