Mathematics · Algebra
One real root of the cubic equation x3 - 9x + 1 = 0 lies within which of the following intervals?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.1 to 4.0
- 21 to 2.0
- 32.8 to 3.0✓
- 42 to 2.3
Correct answer
2.8 to 3.0
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