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AP EAMCET2020MathematicsSequences and Series

Let n be a positive integer. If the coefficients of 2^ nd , 3^ rd and 4^ th terms in the expansion of (1+x)^n are in A.P, then the value of n=

Options

  1. A6
  2. B7
  3. C8
  4. D9

Correct answer

B. 7

Step-by-step solution

No solution. Refer to answer key.

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