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The vector (s) equally inclined to the vectors `hati-hatj+hatk and hati+hatj-hatk` in the plane
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The vector (s) equally inclined to the vectors `hati-hatj+hatk and hati+hatj-hatk` in the plane containing them is (are_ (A) `(hati+hatj+hatk)/sqrt(3)` (B) `hati` (C) `hati+hatk` (D) `hati-hatk`