Mathematics · Algebra
If (a - b)2 + (b - c)2 + (c - a)2 = 6 and a2 + b2 + c2 = 29, then what is (a + b + c) equal to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1±9✓
- 2±8
- 3±6
- 4±3
Correct answer
±9
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