If a2 + b2 + c2 = 2(a - b - c) -3, then the value of a + b + c is? Options: A . &nbsp-2 B . &nbsp1 C . &nbsp2 D . &nbsp-1

If a2 + b2 + c2 = 2(a - b - c) -3, then the value of a + b + c is?

Question

If a2 + b2 + c2 = 2(a - b - c) -3, then the value of a + b + c is?

Options:

A . -2

B . 1

C . 2

D . -1

Answer: Option D

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