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The term independent of x in the expansion of 11 2 3 3 2 x 5 1 x 2 5 ) x 3 x 1 ( ⎟ ⎠ ⎞ ⎜ ⎝ ⎛ − + − , x ≠ 0 is :

1. 40 7
2. 200 33
3. 200 39
4. 50 11

Correct answer: 200 33

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