Find the matrix A of the quadratic form associated with the equation. 27x2 – 72xy + 48y2 – 80x – 80y + 80 = 0 27 A = -36 -36 48 Find the eigenvalues of A. (Enter your answers as a comma-separated list.) 2 = 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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A: simplify  if a=3 and b=-2

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A: Give three mathematical examples which shows that P implies Q does not necessarily mean Q implies P.

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