Thinking Cap

Problem of the Month

Winners of the academic year 2023/24 is Jacob Norris.

July 2024

Polynomial values

Let P(x)=anxn+an-1xn-1+...+a0 be a polynomial of degree n with real coefficients and let r be any real number greater than or equal to 3. Show that there exists some j between 0 and n for which |P(j)-r^j| is at least 1.