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我们知道,曲线系:A1x2+B1xy+C1y2+D1x+E1y+F1+λ(A2x2+B2xy+C2y2+D2x+E2y+F2)=0(λ为参数)中的每一条曲线,都通过两曲线A1x2+
We know that each curve in the curve: A1x2+B1xy+C1y2+D1x+E1y+F1+λ(A2x2+B2xy+C2y2+D2x+E2y+F2)=0 (λ is a parameter) passes through two curves A1x2+