Answer to Question #343226 in Linear Algebra for Yonas

Question

Given the following quadratic form involving three variables, 

Q (x₁, x₂, x₃) = 5x²₁ + 8x₁x₃ + 3x²₂ - 6x₂x₃ + 10x²₃

a. Derive the symmetric matrix associated with Q

b. Determine the definiteness of the matrix you derived in a

Answer 1

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