Find the matrix A of the quadratic form associated with the equation. 3x2-8xy-3y2 +15-0 A- 3 4 PM 4 3 Find the eigenvalues of A. (Enter your answers as a comma-separated list.) A-5₁-5 x Find an orthogonal matrix P such that PTAP is diagonal. (Enter the matrix in the form [[row 11, [row 21.], where each row is a comma-separated list.) Need Help?

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