Pappus Chains

I have managed to complete an analysis of Pappus Chains using coordinate geometry and the pdf can be accessed through the geometry page. Essentially the analysis involves solving three simultaneous quadratic equations in two variables, one of which appears in only one of the equations. Once one finds one’s way through the algebra, the analysis is surprisingly simple.

Next I will be looking at Clifford’s Circle Theorem via his original paper, available online in his collected works, but as I will be taking a one month holiday in India and Clifford’s paper looks rather complex, I expect it will be some time before I have worked my way through it.

The India trip will include a stay in Kanchipuram, where Ramanujan spent some of his early childhood.

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