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O is the origin in the Cartesian plane. ...

`O` is the origin in the Cartesian plane. From the origin `O` take point `A` in the North-East direction such that `|OA| =5, B` is a point in the North-West direction such that `|OB| = 5`.Then `|OA-OB|` is (A) `25` (B) `5sqrt2` (C) `10sqrt5` (D) `sqrt5`

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