What is the signature of the quadratic form, \(Q = 7x_1^2+ 2x_2^2- 3x_3^2+x_{31}+ x_{23}=0\)?

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answerhappygod
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What is the signature of the quadratic form, \(Q = 7x_1^2+ 2x_2^2- 3x_3^2+x_{31}+ x_{23}=0\)?

Post by answerhappygod »

a) 2
b) -2
c) 1
d) -1
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