Question

Let X = {a,b,c}. What is the number of proper subsets of X​

Answer 1

Answer:

8

Step-by-step explanation:

a ,b,c,ab,bc,ca,abc,null set

Answer 2

Number of proper subsets = 7

{a} , {b} , {c} , {a,b} , {a,c} , {b,c} , {a,b,c}

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