Mathematics · Progressions
If 2 1/c , 2 b/(ac) , 2 1/a are in GP, then which one of the following is correct?
- 1ab, bc, ca are in AP
- 2a, b, c are in HP✓
- 3a, b, c are in GP
- 4a, b, c are in AP
Correct answer
a, b, c are in HP
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