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NTA Abhyas JEE Main2020MathematicsBinomial TheoremPractice

The number of different terms in the expansion of 1 - x 201 1 + x + x 2 200 is

Options

  1. A200
  2. B201
  3. C202
  4. D402

Correct answer

D. 402

Step-by-step solution

1 - x 1 - x 3 200 1 - x C 0 200 - C 1 200 x 3 + … … … … . So, number of required terms = 2 × 201 = 402

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