Question: Given a set 2D control points (1, 1)(2, 2)(4, 2)(5, 1) and a knot vector [0, 1, 2, 3, 4, 5, 6] find the coordinate

Given a set 2D control points (1, 1)(2, 2)(4, 2)(5, 1) and a knot vector [0, 1, 2, 3, 4, 5, 6] find the coordinate of the point at u = 2 when using uniform quadratic B-splines.

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