Question 97

Quadratic Forms

Matrix of x² + 2xy + y²

[[1,1],[1,1]]

[[1,2],[2,1]]

[[1,0],[0,1]]

[[2,1],[1,2]]

📖 Explanation

Coefficients: x² + 2xy + y² = [x y][[1,1],[1,1]][x y]ᵀ.

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