Answer: (ab) n/2.
- A (ab)<sup>n/2</sup>
- B (ab)<sup>n</sup>
- C ab × n
- D n√(ab)
Correct answer: A. (ab)<sup>n/2</sup>
Explanation: The n geometric means form a GP between a and b. Their product = (ab)<sup>n/2</sup>. This follows because the means pair up symmetrically.
Bar heights for AP 2, 5, 8, 11 with the common difference d=3 marked between consecutive terms.
Concept context
Arithmetic progressions, geometric progressions, and sums