Let R_{1} and R_{2} be two relations defined as follows: R_{1} = { (a,b) in R^{2}:a^{2} + b^{2} in Q } and R_{2} = { (a,b) in R^{2}:a^{2} + b^{2} notin Q }, where Q is the set of all rational numbers. Then: Relation (Mathematics) Question | DivineJEE | divineJEE