Quadratic Equation_JEE MAIN_11-01-2019_S1 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2019

11-01-2019 S1

Question

Let $f: R \rightarrow R$ be defined by $f(x)=\frac{x}{1+x^2} x \in R$. Then the range of $r$ is

Select the correct option:

$\mathrm{R}-\left[-\frac{1}{2}, \frac{1}{2}\right]$

$\left[-\frac{1}{2}, \frac{1}{2}\right]$

$(-1,1)-\{0\}$

$\mathrm{R}-[-1,1]$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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