Question: Find the maximum value of the quadratic functions (a) -x2 + 3xv - 5y2 - x 4- 1. (b) - 2x2 4- 6xy - 3y2

Find the maximum value of the quadratic functions
(a) -x2 + 3xv - 5y2 - x 4- 1.
(b) - 2x2 4- 6xy - 3y2 + 4x - 3y.

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