Mathematics · Algebra
a2 + b2 + c2 - 2ab + 2ac - 2bc का मान ज्ञात कीजिए, यदि a = x + y, b = x - y और c = 2x - 1 है।
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(2x - 2y - 1)2
- 20
- 3(2x + 2y - 1)2✓
- 4(x - y - 1)2
सही उत्तर देखें
(2x + 2y - 1)2
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