[" 3.Lame of be two "],[" y he mumber of subset of a "],[" haming "30 pi" more element "],[[" i) "25larr," (2) "220," (iii) "]]

Let A and B be two sets containing 2 elements and 4 elements respectively.The number of subsets of A xx B having 3 or more elements is (1)220(2)219 (3) 211(4)256

A set contains 2n+1 elements. The number of subsets of this set containing more than n elements :

A set contains 2n+1 elements. The number of subsets of this set containing more than n elements :

A set contains 2n+1 elements. The number of subsets of this set containing more than n elements :

A set contains 2n+1 elements. The number of subsets of this set containing more than n elements :

A set contains 2n+1 elements.The number of subsets of this set containing more than n elements :

A set contains (2 n+1) elements. The number of subsets of this set containing more than n elements is equal to