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NEST2012MathematicsSequences and Series

For x R with |x| 1 , the value of _ n=0 ^ (1+n) x^n is

Options

  1. Ax^2+x+1 (1-x)^2 .
  2. B1 1-x .
  3. Cx^2-x+1 (1-x)^2 .
  4. D1 (1-x)^2 .

Correct answer

D. 1 (1-x)^2 .

Step-by-step solution

No solution available.

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