CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

f(x)=\frac{x}{x-1}

, then

\frac{f(a)}{f(a+1)}=

(1)

f(-a)

(2)

f\left(\frac{1}{a}\right)

(3)

f(a^2)

(4)

f\left(\frac{-a}{a-1}\right)