SETS AND THEIR OPERATIONS
we already discuss about set and their types in privious blog , now we discuss on operations on sets. Operations on set 1. Complement of a set : Let U is a universal set and A is a any subset of U then the complememt of A is the elemets is belong in U but not in A. A complement of of A set is denoted by A' or A c . It is defined as A' = {x/x∈ U , x ∉ A} = set of all element in U which are not in A . eg., Let X = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, } be the universal set and A ={1,2, 4, 6, 7,} ∴ The complememt of the set is ...