Show that for every indefinite quadratic form q on R2 there exists an orthogonal basis
Chapter 8, Problem 65(choose chapter or problem)
Show that for every indefinite quadratic form q on R2 there exists an orthogonal basis w\, w2 of R2 such that q(c\ wi + c2w2) = c2 c\. Hint: Modify the approach outlined in Exercise 63.
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