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If vec(a)=hat(i)+2hat(j)+3hat(k),vec(b)=...

If `vec(a)=hat(i)+2hat(j)+3hat(k),vec(b)=2hat(i)-hat(j)+hat(k),vec(c)=3hat(i)+2hat(j)+hat(k)andvec(a)xx(vec(b)xxvec(c))=lvec(a)+mvec(b)+nvec(c)` find the values fo l,m,n.

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