0 0 votes There exists a linear polynomial $p(x) \in \mathbb{R}[x]$, for which there exist exactly two subsets $S \subset \mathbb{R}$ such that $p(S)=S$ and such that $\# S=2$. Elementary Algebra tifrmaths2025 algebra polynomials set-theory true-false + – Shubham Sharma 2 180 views answer comment Share Follow Print 0 reply Please log in or register to add a comment.