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Find n(A) of the set {-3,-1,1,3,5,7,9}

User Wicaledon
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4 votes

Answer:

n(A) = 7

Explanation:

Let set A be A = {a,b,c}

We can say n(A) = 3

So basically n(A) means the "number of elements (unique) in set A"

They have to be unique.

For this problem, set A is:

A = {-3,-1,1,3,5,7,9}

If we count, there are 7 unique elements in this set. Thus:

n(A) = 7

User Prakhyat
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