Let a1, a2,

Let a1, a2, . . . , ar be r not necessarily distinct positive integers such that (x + a1)(x + a2) · · · (x + ar) = xr + 230xr−1 + · · · + 2007, where each missing term on the right has degree between 1 and r − 2 inclusive. What is the value of r ?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #42651