Mathematics · Sequences and Series
If a, b, c are in HP, then what is 1b-a + 1b-c equal to? 1. 2b2. 1a + 1c3. 12(1a + 1b + 1c) Select the correct answer using the code given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11, 2 and 3
- 2only 3
- 3only 2
- 4only 1 and 2✓
Correct answer
only 1 and 2
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