Mathematics · Algebra
यदि a, b, c वास्तविक संख्याएँ हैं और a2 + b2 + c2 = 2 (a - b - c) - 3 है, तो a + b + c का मान है:
- 13
- 20
- 3-1✓
- 41
सही उत्तर देखें
-1
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