If $n$ is an even positive integer,then the condition that the greatest term in the expansion of $(1 + x)^n$ may have the greatest coefficient also,is

  • A
    $\frac{n}{n + 2} < x < \frac{n + 2}{n}$
  • B
    $\frac{n + 1}{n} < x < \frac{n}{n + 1}$
  • C
    $\frac{n}{n + 4} < x < \frac{n + 4}{4}$
  • D
    None of these

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