Question

if there are 512 relations from a set a=(2,3,5)to a set b,then the number of elements b is​

Answer 1

Answer :

Therefore

• No.of subsets of (A x B) = 2^n ( A )* n ( B )

512 = 2* n (B)

29 = 2(* n ( B ))

9 = 3* n (B)

n (B) = 3

piz make me Branly