The set of all subsets of that other set. Example:- A={ a, b, c} P(A) ={ {}, {a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c} }

Well define collection of object is known as set i) { } curly barakets ii) comma (,) between two consecutive number iii) not repeated valaue iv)denoted by capital letter