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The value of   n lim 4 n 5 n 3 n 4 n 2 n 3 ) 1 n 3 ( ) 2 n 3 ( ..... 6 5 4 3 2 1 4 4                 is :

1. ) 1 2 ( 3 
2. ) 1 2 ( 2 3 
3. 2 1 2 
4. 2 2 3

Correct answer: ) 1 2 ( 2 3 

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