Question

The number of relations of AXB, if n(A) = 3 and n(B) = 3 is
a) 512
b) 256
c) 511
If A = {1,2,3,4}, then the number of subsets of A contai n the element 3 is
d) 255
​

Answer 1

Answer:

it's 512

Step-by-step explanation:

Formula for number if relations is 2 power n(a)*n(b). hence , here it is 2^3*3, that means 2^9. , which is 512.

PLS FOLLOW ME.

Answer 2

so I want to answer correct so please see the picture what I have kept if you understand