In Exercises 15-18, let R² have the Euclidean inner product. a. Find the orthogonal projection of u onto the line spanned by the vector v. b. Find the component of u orthogonal to the line spanned by the vector v, and confirm that this component is orthogonal to the line. 15. и %3D (-1, 6); v %3D = () 16. u = (2, 3); v = 12 13' 13 5' 5

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