Question

if a= { 3,5,7,9,11} number of proper subsets of a​

Answer 1

Step-by-step explanation:

the the question is hole

Answer 2

Answer:

63

Step-by-step explanation:

Number of proper subsets is equal to 2^n  - 1

Where n is number of elements.

So here there are 5 elements

P = 2^5 - 1

= 64 - 1

= 63