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8. The following three quadratic forms have the same discriminant. Are they equivalent to each other? Q1(x,y)=3x2+11xy+12y2,Q2(x,y)=x2+xy+6y2,Q3(x,y)=3x2+5xy+4y2

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8. The following three quadratic forms have the same discriminant. Are they equivalent to each other? Q1(x,y)=3x2+11xy+12y2,Q2(x,y)=x2+xy+6y2,Q3(x,y)=3x2+5xy+4y2

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