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If vec a=hat i+hat j + 2hat k, vec b=ha...

If `vec a=hat i+hat j + 2hat k, vec b=hat i+2hat j + 2hat k and |vec c|=1` such thata `[vec a xx vec b vec b xx vec c vec c xx vec a]` has maximum value then the value of `|(vec a xx vec b) xx vec c|^2` is

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