1. Tardigrade
  2. Question
  3. Mathematics
  4. The number k is such that tan arctan (2)+ arctan (20 k ) = k. The sum of all possible values of k is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The number $k$ is such that $\tan \{\arctan (2)+\arctan (20 k )\}= k$. The sum of all possible values of $k$ is

Inverse Trigonometric Functions

Solution:

Correct answer is (a) $-\frac{19}{40}$