parmenides51 14.09.2021 23:54 Find all prime numbers p and q such that 2p2q+45pq2 is a perfect square.
The.survivor 15.09.2021 10:51 1) p=q result 47p3=a2, so p=q=47. 2) Else, must have 2p2q+45pq2=p2q2k2, so 2p+45q=pqk2, so q divide 2, thus q=2, and p divide 45, thus p=3,5, now casework.