Q7. A. Show that (x, y) = 5x1yı-9x2y2 for vectors x (x, x2) and y %3D defines an inner product. C. Let V be P2 with the inner product given by evaluation at -2, -1, 0,1 3t + 2, p2(t) = 2t2 +t and p3(t) = 3t2- 1. Find the orthogonal 1 %3D %3D the subspace spanned by p1 and p2-

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A: I have stated the used formula in the solution.

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A: Topic:- vector

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A: This is a problem of vector calculus.