0 votes 0 votes The set $$S=\{x\in \mathbb{R}|x>0\text{ and } (1+x^2) \tan(2x)=x\}$$ is empty nonempty but finite countably infinite uncountable Others tifrmaths2021 + – soujanyareddy13 asked Sep 27, 2021 • edited Oct 22, 2021 by go_editor soujanyareddy13 184 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.