Question

write all the subset of A = 2,3,4.​

Answer 1

Step-by-step explanation:

A={1,2,3}

Number of elements in A is 3

Hence n=3

Number of subsets of A=2

n

where n is the number of elements of the set A

=2

3

=8

The subsets of {1,2,3} are

ϕ,{1},{2},{3},{1,2},{2,3},{1,3} and {1,2,3}

Answer 2

Step-by-step explanation:

{1},{2},{3},{4},{1,2},{2,3},{3,4},{4,1},{1,3},{2,4},{1,2,3},{2,3,4},{3,4,1},{4,1,2},{1,2,3,4}