Mathematics · Algebra
What is the equivalent expression for a2 + b2 + c2 - 2ab - 2bc + 2ca?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(2a + b + c)2
- 2(a - b + c)2✓
- 3(a - b - 2c)2
- 4(a + 2b - c)2
Correct answer
(a - b + c)2
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