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[5=bar(2)i+bar(j)-2k-" and "bar(b)=bar(i...

[5=bar(2)i+bar(j)-2k-" and "bar(b)=bar(i)+bar(j)" if cisavectorsuchthat "bar(a),bar(c)=|bar(c)|,|bar(c)-bar(a)|=2sqrt(2)],[" and the angle between "bar(a)timesbar(" band ")" cis "30^(@)" then "],[|(bar(a)timesbar(b))timesbar(c)|=]

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