cute maths problem
Off topic → Other → cute maths problem
CHALLENGE
A cool exercise I’ve had during one of those “french oral maths tests”
n is a positive integer P is a polynomial such that
- the degree of P is in ⟦0, n-1⟧
- for all k in ⟦1, n⟧, P(k) = 1/k
What is P(n+1) ? A “short and simple” expression for the answer is expected and, of course, show how you did it c: