MathDB

11

Part of 2007 Hanoi Open Mathematics Competitions

Problems(2)

How many possible values

Source:

1/24/2016
How many possible values are there for the sum a + b + c + d if a; b; c; d are positive integers and abcd = 2007:
HOMC(Vietnam)

Source:

1/28/2016
Find all polynomials P(x) satisfying the equation (2x−1)P(x)=(x−1)P(2x),∀x.(2x-1)P(x) = (x-1)P(2x), \forall x.
algebra