Mathematics · Algebra
If a + b = 1, then the value of 1 a 2 + 1 b 2 + 2 ab is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 a 2 b 2✓
- 21 ab
- 31 a 2 b
- 41 ab 2
Correct answer
1 a 2 b 2
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