Can someone help me with these two problems? I can not think anything to do... Thanks in advance!
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Originally Posted by ManosG Can someone help me with these two problems? I can not think anything to do... Let us agree that $\displaystyle n\in\mathbb{Z}^+$. For #1 let $\displaystyle {A_n} = \left( {0,\tfrac{1}{n}} \right)$ For #2 let $\displaystyle {A_n} = \left( { - \tfrac{1}{n},\tfrac{1}{n}} \right)$
I have thought the examples Plato wrote but I have difficulty in proving that they have the stated property. Thanks for the answers.
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