Question: Let {u1, u2, u3} be an orthonormal basis for a three dimensional subspace S of an inner product space V and let x = 2u1

Let {u1, u2, u3} be an orthonormal basis for a three dimensional subspace S of an inner product space V and let
x = 2u1 - 2u2 + u3 and y = 3u1 + u2 - 4u3
(a) Determine the value of < x, y >.
(b) Determine the value of ||x||.

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