Mathematics · Progression and Series
If a, b, and c are three distinct real numbers in a geometric progression and a + b + c = bx, then which of the following is correct?
- 1x ∈ (-∞, -1) ∪ (3, ∞)✓
- 2x ∈ (-1, 1)
- 3x is an imaginary number
- 4x ∈ [-1, 3]
Correct answer
x ∈ (-∞, -1) ∪ (3, ∞)
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