Comments by "Fhf Fhf" (@fhffhff) on "Vanity Fair" channel.

  1. R,√(R²-4),R-√(R²-4),R+√(R²-4),(R+√(R²-4))² +(2R-2)²=4R²,R²+2R√(R²-4)+R²-4+4R²-8R+4-4R²=0,2R²-8R+2R√(R²-4)=0,R-4+√(R²-4)=0,√(R²-4)=-R+4,{R²-4=R²-8R+16,-R+4≥0;{8R-20=0,R≤4;R=2,5✓ S=(2*2,5)²=25
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