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NDA2010MathematicsBinomial TheoremActual

What is the sum of all the coefficients in the expansion of (1+x)^n ?

Options

  1. A2^n
  2. B2^n-1
  3. C2^ n-1
  4. D2(n-1)

Correct answer

A. 2^n

Step-by-step solution

The correct answer is option (A).

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