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If a + b + c = 0, then2a2 + 2b2 + 2c2 + 3 = ? b2 +...
1.
If a + b + c = 0, then2a2 + 2b2 + 2c2 + 3 = ? b2 + c2 a2c2 + a2 b2a2 + b2 c2
A.
3
B.
4
C.
0
D.
3
Answer» D. 3
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