F (x)=0 a) f(x)=4x2+2x b) f(x)=x2+x-1 c) f(x)=3x2-4x - вопрос №4820766042221324052401 от mariamadaeva 24.03.2020 16:07

Question

Математика: F (x)=0 a) f(x)=4x2+2x b) f(x)=x2+x-1 c) f(x)=3x2-4x d) f(x)=-0.5x2-4x+0.1

mariamadaeva · Answer

А) 4x^2 + 2x = 02x(2x+1) = 0x = 0 или 2x+1 = 02x = -1x= -0.5Дальше 1 в 1 тоже самое...

F'(x)=0 a) f(x)=4x2+2x b) f(x)=x2+x-1 c) f(x)=3x2-4x d) f(x)=-0.5x2-4x+0.1