Find the matrix A of the quadratic form associated with the equation. 27x2 - 72xy + 48y2 – 80x – 80y + 80 = 0 27 -36 A = -36 48 Find the eigenvalues of A. (Enter your answers as a comma-separated list.) 1 =0,75 Find an orthogonal matrix P such that P'AP is diagonal. (Enter the matrix in the form [[row 1], [row 2], ...], where each row is a comma-separated list.) P =

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