Question: In each case find new variables y1 and y2 that diagonalize the quadratic form q. (a) q = x21 + 6x1x2 + x22 (b) q

In each case find new variables y1 and y2 that diagonalize the quadratic form q.
(a) q = x21 + 6x1x2 + x22
(b) q = x21 + 4x1x2 - 2x2

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