Let veca=2hati+hatj-2hatk and vecb=hati+...

Let `veca=2hati+hatj-2hatk` and `vecb=hati+hatj`. If `vecc` is a vector such that `veca.vec=|vecc|,|vecc-veca|=2sqrt(2)` and the angle between `vecaxxvecb` and `vecc` is `30^(@)`, then `|(vecaxxvecb)xxvecc|=`.

`2/3`

`3/2`

`2`

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