[分析] 實變一題

[smartlwj (唸都唸不完)]

 Let       ( 0, 1- (1/n)) ,if n is odd
     An ={
           ( (1/n), 1 )   ,if n is even

Prove that the limit of {An} exist

and find the limit.

這題該怎麼下手呢
請教教我  謝謝

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