f :R \toR is a function such that f (0 ) =1 and for all x, y \in R f (xy +1)=f( x) f( y)- f( y)- x+2 then \frac{df}{dx} at x=e is

AP EAMCET Engineering 2018 Apr 22 Shift 2 Paper

Section: Mathematics

Question : 66 of 160

Marks: +1, -0

f:R→R is a function such that f(0)=1 and for all x,y∈R
f(xy+1)=f(x)f(y)−f(y)−x+2 then

at x=e is

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