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JEE MATHEMATICS MCQ: PERMUTATIONS

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Analyzing +4 | -1
The value of 2n[1.3.5…(2n−3)(2n−1)]{2^n}\left[ {1.3.5 \ldots \left( {2n - 3} \right)\left( {2n - 1} \right)} \right] is
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Correct option: A
(2n)!n!\frac{{\left( {2n} \right)!}}{{n!}}
Option A ((2n)!n!\frac{{(2n)!}}{{n!}}) is correct because the expression can be manipulated to match the factorial form.

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