Question: Let A, B, C, and D be the vertices of a square centered at the origin O, labeled in clockwise order. If a = OA

Let A, B, C, and D be the vertices of a square centered at the origin O, labeled in clockwise order. If a = O̅A̅ and b = O̅B̅, find B̅C̅ in terms of a and b.

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