Let a set A = A_{1} cup A_{2} cup ..... cup A_{k}, where A_{i} cap A_{j} = phi for i neq j,1 ? i,j ? k. Define the relation R from A to A by R = {(x,y):y in A_{i} if and only if x in A_{i},1 ? i ? k}. Then R is: Relation (Mathematics) Question | DivineJEE

Let a set A = A_{1} cup A_{2} cup ..... cup A_{k}, where A_{i} cap A_{j} = phi for i neq j,1 ? i,j ? k. Define the relation R from A to A by R = {(x,y):y in A_{i} if and only if x in A_{i},1 ? i ? k}. Then R is: Relation (Mathematics) Question | DivineJEE | divineJEE