Mathematics · Arithmetic Progression
If the 10th term of the arithmetic sequence a, a - b, a - 2b, a - 3b, ... is 20 and the 20th term is 10, then what is the xth term of the sequence?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 - x
- 220 - x
- 329 - x
- 430 - x✓
Correct answer
30 - x
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