Question

1. Write all subsets of A, = {a}, A2 = {a, b} A3 = {a,b,c}, An = {a,b,c,d} Can you observe
any relation between the number of elements of a set and the number of all subsets of it ? if so , what is it !?​

Answer 1

Here An is subset to A,A2,A3 and A3 is subset to A2,A and A2 is subset to A

Answer 2

Answer:

AxA2xA3xAn=1*2*3*4=24

no of subsets are 24