Question

calcule o valor de x=(-1/3)+[3^-1-(-3)^-1]-2

Answer 1

x= (-1/3)+[(3^(-1))-(-3)^-1]-2
x=  (-1/3)+[(1/3)-(-1/3)]-2
x= (-1/3)+[(2/3]-2
x= 5/3

Answer 2

X=(-⅓)+[3^-1-(-3)^-1]-2 X=(-⅓+⅓+⅓)-2 X=(⅓)-2 X=-⅔