Question

calcule as raízes das seguintes funções

Answer 1

a) 3x-1 = 0 , 3x = 1 , x = 1/3

b) 3/2x + 4 = 0 , 3/2x = -4 , 3x = -8 , x = -8/3

c)2x² - 5x + 3 = 0 , x = (5+-raiz(25-24)) / 4  , x1 = 6/4 , x2 = 1

d) -x²+ x + 6 = 0 , x = (-1+-raiz(1+24)) / -2 , x1 = -2 , x2 = 3