TS EAMCET 9-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 28 of 160

Marks: +1, -0

If d1,d2,d3are the diameters of three ex-circles of a ∆ABC, then
d1d2+d2d3+d3d1=

(a+b+c)2
ab+bc+ca
4∆2
2s2

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