Mathematics · Progression
If 1b + c, 1c + a and 1a + b are in arithmetic progression, then:
- 1a, b, c are in arithmetic progression
- 2a2, b2, c2 are in arithmetic progression✓
- 31/a, 1/b, 1/c are in arithmetic progression
- 4a, b, c are in geometric progression
Correct answer
a2, b2, c2 are in arithmetic progression
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