What is the signature of the quadratic form, (Q = 7x_1^2+ 2x_2^2- 3x_ – McqOptions

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1.	What is the signature of the quadratic form, (Q = 7x_1^2+ 2x_2^2- 3x_3^2+x_{31}+ x_{23}=0 )?
A.	2
B.	-2
C.	1
D.	-1
Answer» D. -1

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