Question
Reduce the quadratic form Q(x)=x^2+y^2+z^2+2xy-4yz+6xz to diagonal form.
Answers
Steve
The symmetric matrix for Q is
(1 1 3)
(1 1 -2)
(3 -2 1)
Can you now reduce that to diagonal form?
(1 1 3)
(1 1 -2)
(3 -2 1)
Can you now reduce that to diagonal form?