Let f(x) = (x − 1)/(x + 1)...... | JEE Main 2022

JEE MAIN 2022

26-06-2022_S1

Question

Let: $f(x)=\frac{x-1}{x+1}, x \in R-\{0,-1,1\}$. If $f^{n+1}(x)=f\left(f^n(x)\right)$ for all $x \in N$, then $f^6(6)+f^7(7)$ is equal to:

Select the correct option:

$\frac{7}{6}$

$-\frac{3}{2}$

$\frac{7}{12}$

$-\frac{11}{12}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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