I need help setting the equation up??
1 answer:
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<span>R−Z</span><span> is a union of countable many open sets so </span><span><span>R−Z</span><span>R−Z</span></span><span> is open
I actually didn't know that I had to look it up and got my answer from another site, oppsie doopsies
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I actually didn't know that I had to look it up and got my answer from another site, oppsie doopsies
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I hope this makes some sence! The answer should be (3,2)
