+0  
 
0
810
1
avatar+225 

Find n(A) for the set A.

 

{1  2  3  4  ...  57   58

3,  4,  5  6,    , 59,  60

 

The cardinal number of set A, n (A), is 

cassie19  Sep 7, 2017
 #1
avatar+23 
+1

I can't really see how this is going. Did you copy & pasted?

If the first set, {1 2 3 4 ... 57 58} is A = {1~58}, n{A} = 58. 

The bottom one, {3, 4, 5, 6, 59, 60}.. I think you meant {3~60?} let's just call that B, because we can't have 2 As.

n(B) = 58.

ok. They both have 58

XxdenurlxX  Sep 7, 2017

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