Mathematics · Algebra
If for two real constants a and b, the expression ax 3 + 3x 2 - 8x + b is exactly divisible by (x + 2) and (x - 2), then which of the following is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a = -2, b = 12
- 2a = 2, b = -12✓
- 3a = 12, b = 2
- 4a = 2, b = 12
Correct answer
a = 2, b = -12
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