Question: solve Express the quadric form f(x, y) = 3x2 + 2xy + 6y in matrix form , fa = aAx where where x = Z

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Express the quadric form f(x, y) = 3x2 + 2xy + 6y in matrix form , fa = aAx where where x = Z and calculate of( x) = Ox Ox O 3 2 f(*) = x Ax = IT of 2 6 = [6x + 4y 4x + 12y] O 3 f(@) = TAX = T 3 2 of 2 6 6 O f () = A = T 3 Of 6 = [6x + 2y 2x + 12y]

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