Mathematics, 16.11.2019 15:31 Bgreene2377

The vectors a b and c are such that a+b+c=0. determine the value of a•b+a•c+b•c if |a|=1, |b|=2 and |c|=3.. here's my solution

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The vectors a b and c are such that a+b+c=0. determine the value of a•b+a•c+b•c if |a|=1, |b|=2 and...