Question 43
a) Solve the equation in the set of real numbers $[x]^2 - x = -0.99$.
b) Show that, for every $a \le -1$, the equation $[x]^2 - x = a$ has no real solutions.
b) Show that, for every $a \le -1$, the equation $[x]^2 - x = a$ has no real solutions.