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I need help with question 15

I need help with question 15-example-1
User Forer
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A rational number is a number that can be written in the form:


(p)/(q)

Where p and q are coprimes. We are asked for finite sets, we can rule out options 3 and 4. In the set in option 2 the first element is:


√(3)

This number cannot be written a ratio. We can rule out option 2.

All the elements in the set from option 1 can be written in the form p/q.Thus, the answer is the first option.

User Rramakrishnaa
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