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JEE Main 2019
9-01-2019 S1
Question
For $x \in R-\{0,1\}$, let $f_1(x)=\frac{1}{x}, f_2(x)=1-x$ and $f_3(x)=\frac{1}{1-x}$ be three given functions. If a function, $J(x)$ satisfies $\left(f_2 \operatorname{OJof}_1\right)(x)=f_3(x)$ then $J(x)$ is equal to
Select the correct option:
A
$f_1(x)$
B
$\frac{1}{x} f_3(x)$
C
$f_2(x)$
D
$f_3(x)$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Mathematics
Easy
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