Ответы и объяснения

  • Участник Знаний
2013-04-26T07:37:18+00:00

A) y = - x^3\3 - 2x^2 + 3

Y' = - x^2 - 4x = 0

X( - x - 4) = 0

X1 = 0   X2 = - 4

////////////////////////////////////////////

B) y = (x^2 - 10x + 25)(2x+8) = 2x^3 - 12x^2 + 200

Y' = 6x^2 - 24 x

6X( X - 4) = 0

y1 = 0     y2 = 4