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seen Dec 16 '12 at 12:39

Dec
16
comment Let $A$ be a $5×4$ matrix with real entries such that…
yes .but how can i apply this?
Dec
16
awarded  Student
Dec
16
asked Let $A$ be a $5×4$ matrix with real entries such that…
Dec
13
comment Consider the quadratic form $q(x,y,z)=4x^2+y^2−z^2+4xy−2xz−yz $ over $\mathbb{R}$ then which of the following are true
Diagonalization would be a very lengthy process. is there any short process
Dec
13
asked Consider the quadratic form $q(x,y,z)=4x^2+y^2−z^2+4xy−2xz−yz $ over $\mathbb{R}$ then which of the following are true