ISI PROB!! SOLUTION

[tania]

Q1.THE NUMBER OF PAIRS OF INTEGERS (M,N) SATISFYING M^2+MN+N^2=1 IS
 a.2  b.4  c.6  d.8
 The answer to this question is c- 6 solutions. Can some1 please provide the solution??

Thank You

[Zen]

[tania]

Got it! Thanks a lot!