IIT-JEE Exam

y=f(x)=x+2/x-1

Prove That x=f(y)

Read Solution (Total 1)

y=x+2/x-1
y=x-1+3/x-1
y=1/x-1+3/x-1
y=1+3/x-1
y-1=3/x-1
x-1=3/y-1
x=1+3/y-1
x=y+2/y-1=f(y)
11 years agoHelpfull: Yes(2) No(1)

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