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If bar(a)=2bar(i)-3bar(j)+6bar(k), bar(b...

If `bar(a)=2bar(i)-3bar(j)+6bar(k), bar(b)=-2bar(i)+2bar(j)-bar(k)` and `lambda=(the projection of bar(a) on bar(b))/( the projection of bar(b) on bar(a))` then the value of `lambda` is

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