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Question

The middle term in the expansin of (2x23+32x2)th is


  1. 252

  2. 250

  3. None of these

  4. 251


Solution

The correct option is A

252


252

Here, n,i.e., 10, is an even number 

Middle term =(102+1)th term =6th term Thus, we have:

T6=T5+1

=10C5(2x23)105(32x2)5

=10×9×8×7×65×4×3×2×2535×3525

=252

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