Ответы и объяснения

2013-06-16T15:40:42+04:00
  • Участник Знаний
2013-06-16T15:42:55+04:00

2 - X = 2X^2 - 3X + 1

2X^2 - 3X + 1 - 2 + X = 0

2X^2 - 2X - 1 = 0

D = 4 - 4*2*(-1) = 4 + 8 = 12

V D = 3.46

X1 = 2 + 3.46 \ 4 = 1.365

X2 = 2 - 3.46 \ 4 = - 1.46\4 = - 0.365

...........................

Y = 2 - X

Y1 = 2 - 1.365 = 0.635

Y2 = 2 + 0.365 = 2.365