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If ax^2+2hxy+by^2=0 be two sides of a ||gm and px+qy=1 is one diagonal, prove the other diagonal is y(bp-hq)=x(aq-hp).?

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  • If ax^2+2hxy+by^2=0 be two sides of a ||gm and px+qy=1 is one diagonal, prove the other diagonal is y(bp-hq)=x(aq-hp).?


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