Question: Problem 5. For which values of the parameter a ER the following real quadratic form is positive definite f(x, y, z) = x+2xy +

Problem 5. For which values of the parameter a ER the following

Problem 5. For which values of the parameter a ER the following real quadratic form is positive definite f(x, y, z) = x+2xy + 2xy + 2y+2ayz +5z

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