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If hata is parallel to the line of inter...

If `hata` is parallel to the line of intersection of the plane determined by the vectors `hatj + hatk, hatj` and the plane determined by the vectors `hati + hatj, hatj- hatk.` If the angle between ` hata and 2 hati + hatj - 2 hatk` is `npi,` then the value of n is

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`0.25`
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