JEE-IIT-NCERT Physics & Math

Let A B and be two non-empty sets. Then, a function f from set A to Bis a rule which associates ele… Read more Functions or Mappings

Let R $\subseteq$ A $\times$ B, S $\subseteq$ B $\times$ C, be two relations. Then, composition of … Read more Composition of Relations

Void Relation An empty relation (or void relation) is one in which there is n… Read more Different Types of Relations

Let A B and be two non-empty sets. Then, a relation R from A to B is a subset of A $\times$ B.  Thu… Read more Relations

Let A and B be two non-empty sets. The cartesian product of A and B is denoted by A $\times$ B´ and… Read more Cartesian Product

Two elements a b and listed in a specific order form an ordered pair, denoted by (a, b). In an orde… Read more Ordered Pair