Mathematics · Logarithms and Progressions
For a real number x, if 12, log3(2x - 9)log34, and log5(2x + 172)log54 are in arithmetic progression, then the common difference is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1log47
- 2log4(72)✓
- 3log4(232)
- 4log4(32)
Correct answer
log4(72)
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