Posted by billy on Saturday, February 2, 2013 at 4:58pm.
what is n(a set)?
looks like the fractions from 1/2 , 1/3 . ... 1/10 come in pairs with their negatives,
I count 18 of them
n(A) is the cardinal of the sets and how did you get the #18
o ok i got it 1/2 1/3 1/4 1/5 1/6 1/7 1/8 1/9 1/10 thanks
looks like the fractions from 1/2 , 1/3 . ... 1/10 come in pairs with their negatives,
I count 18 of them
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