arielbabiak5361 arielbabiak5361
  • 09-01-2024
  • Mathematics
contestada

If →a,→b,→c are unit vectors such that →a+→b+→c=→0, then the value of →a.→b+→b.→c+→c.→a is equal to

A 1
B 32
C 3
D −32

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