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NDA2012MathematicsBinomial TheoremActual

In the expansion of (1+x)^n , what is the sum of even binomial coefficients?

Options

  1. A2^n
  2. B2^ n-1
  3. C2^ n+1
  4. DNone of the above

Correct answer

B. 2^ n-1

Step-by-step solution

The correct answer is option B.

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