If the number of terms in the expansion of (1-2/x+4/(x^2))^n , x!= | Filo
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class 11

Math

Algebra

Binomial Theorem

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If the number of terms in the expansion of is 28, then the sum of the coefficients of all the terms in this expansion, is :

  1. 64
  2. 2187
  3. 243
  4. 729
Correct Answer: Option(d)
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