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ExamsJEE MainGeneral

Let K be the sum of the coefficients of the odd powers of x in the expansion of (1 + x ) 99 . Let a be the middle term in the expansion of 200 2 1 2          . If n m 2 a K C 99 200   , where m and n are odd numbers, then the ordered pair (  , n ) is equal to

  1. (51, 101)
  2. (51, 99)
  3. (50, 101)
  4. (50, 51)

Correct answer: (50, 101)

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