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∞ → n lim ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ + + + + + 3 / 4 3 / 1 3 / 4 3 / 1 3 / 4 3 / 1 n ) n 2 ( ....... n ) 2 n ( n ) 1 n ( is equal to :

1. 3 4
2. 3/4
3. 4 3
4. 4/3 – 4 3 (3) 3 4 (2) 4/3 (4) 3 4 – ) 2 ( 4 3 3 / 4

Correct answer: 3/4

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