Question

let b and c be integers and let p and q be distinct primes. suppose p^2 + bpq + cq^2 = 0. define a sequence a subscript n = n^2 + bn +c . show that a subscript n is not = 0 for all integers n >or = 1.

Answer 1

What about the limit of ((1)/(nsin(n)).
@oldrin.bataku