If A = { 1, 2, 3, 4, 5), then the number of proper subset of A is
(a) 120
(b) 30
(c) 31
(d) 32
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If A = { 1, 2, 3, 4, 5), then the number of proper subset of A is
(a) 120
(b) 30
(c) 31
(d) 32
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Answer:
a)120 answer is correct
Verified answer
Step-by-step explanation:
The number of proper subsets of any set is given by the formula
2^n−1
where n is the number of elements in the set.
Here,
n = 5
∴ Number of proper subsets of A =
2^5−1=31
right option will be'c'
mark it brainliest answer
have a nice day