Question

3. The number of proper subsets of {1,2,3} is
A. 8
B. 7
C. 6
D.5​

Answer 1

Here is your answer

Total no. of elements(n) = 3

The formula for the no. of proper subset is 2^ (total no. of elements)

= 2³

= 8

Thus ,option (A) is correct

Hope this helps you

Answer 2

Answer:

Step-by-step explanation:

Rule is=2*3=8