Question: If a . (b + c) = 0 and b . c = 0 which of the following must be true? Select one alternative: O

If a . (b + c) = 0 and b . c = 0 which of the following must be true? Select one alternative: O a, b and c all lie in the same plane O Any of the other statements could be true, but none of them have to be true. Ob . (atc) +c . (a+b) =0 O a . c = 0

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