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If bar(u)=bar(i)-2bar(j)+bar(k),bar(v)=3...

If `bar(u)=bar(i)-2bar(j)+bar(k),bar(v)=3bar(i)+bar(k)andbar(w)=bar(j)-bar(k)`, are given vectors, then find (1) `[bar(u)xxbar(v)" "bar(u)xxbar(w)" "bar(v)xxbar(w)]` (2) `(bar(u)+bar(w))*[(bar(u)xxbar(v))xx(bar(v)xxbar(w))]`.

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The correct Answer is:
(1) 16 (2) -12.
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