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Q: यदि a (a + b+ c) = 45, b (a + b + c) = 75 और c (a+ b + c) = 105 हो, तो a² + b² + c² का मान ज्ञात कीजिए।
- A. 83
- B. 225
- C. 625
- D. 90
Correct Answer:
Option A -
Explanations:
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