Mathematics
Grade10
Easy

Question

Which term will be the middle term of (xyz – x)2n?

  1. (n + 1)th term
  2. (n + 2)th term
  3. nth term
  4. (n – 1)th term

The correct answer is: (n + 1)th term


    STEP BY STEP SOLUTION
    Clearly, 2n is an even number, and the binomial has 2n + 1 terms.

    The middle term for a binomial with even power is the term equal to (n/2 + 1), where n is the number of terms.
    In this case, (2n/2 + 1) = n + 1.

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