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2 ey - PowerPoint PPT Presentation

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472 views • 18 slides

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??????????? ( ????????????? ). 7.6 ????? 2 ?. ??????. x 2 + y 2 ?2 ax ?2 by + a 2 + b 2 ? r 2 =0. ??????. 1. ??????????????????????. ( x ? a ) 2 +( y ? b ) 2 = r 2. D= ?2 a E= ?2 b F = a 2 + b 2 ? r 2. x 2 + y 2 +D x +E y +F=0. ? ?????. ?. ????.

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336 views • 16 slides

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2 ey - PowerPoint PPT Presentation

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