Mathematics · Algebra
If xy = a + 2a - 2, then x2 - y2x2 + y2 is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 14aa2 + 4✓
- 28aa2 + 4
- 34a2
- 44aa2 - 4
Correct answer
4aa2 + 4
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