O is a point in the interior of a triangle abc,od perpendicular bc,oe perpendicular ac and of perpendicular ab. Show that 1.oa^2+ob^2+oc^2-od^2-oe^2-of^2 =af^2 +bd^2+ce^2

Bhoomika 1222

April 20, 2019, 3:46 p.m.

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