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Mathematics, 07.08.2021 14:00 djub
Let triangle ABC right angled at A (AB > AC), altitude AH. Let D, E be the projection of H on AB, AC. Prove that: β(γBDγ^2 ) + β(γCEγ^2 ) = β(γBCγ^2 )
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Let triangle ABC right angled at A (AB > AC), altitude AH. Let D, E be the projection of H on AB,...
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