matematika (informatika bilan)

matematika ( informatika bilan) tuzdi begim eshmuradov 4-llitsey 1 . m+3+5x-12y =0 tenglama (x – 1 )2 + ( y – 3 )2 =m2; aylanaga urinsa, m=? a) -2 b)-4 c) 2 d) 4 2 . 2 – 3 tenglamani ildizlari ko’patmasini toping. a) 8 b) 5 c) 6 d) 4 3 . a ning qanday qiymatida ax2 + (a – 3)x + 3 =0; tenglama ildizlari uchun x1 0 b) a ( c – d ) >0 x b) c) a(b – c) >0 d) a( c + d ) >0 11. ( al xorazmiy masalasi) bir rishi 4 o’lcham bo’g’doy va 6 o’lcham arpa oldi. 1 o’lcham arpaning narxi 1 o’lcham bo’g’doy narxining yarmiga teng. xarid uchun to’plangan …

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