Teaching Bihar D.El.Ed Mock Test Series 2024-25 Quantitative Aptitude Algebra Identities

यदि a, b, c वास्तविक संख्याएँ हैं और a² + b²+ c² = 2(a - b - c) - 3 है, तो a + b + c का मान ज्ञात कीजिए ?

1

-1

2

1

3

3

4

0

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