What can be said about the definiteness of q when k = 2

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Determine the exact range of k for which the quadratic form

2001_d7b1e380-da39-45e2-9a3b-b865b68d972c.png

is positive-definite in x, y and z. What can be said about the definiteness of Q when k = 2?

Reference no: EM131081090

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