Question 104
In the Cartesian plane $xOy$, draw the locus of all points $M(x;y)$ such that
$$
(x^2 - 1)(|y| - 1) \geq 0.
$$
$$
(x^2 - 1)(|y| - 1) \geq 0.
$$
MathNet 2005 — Part 03 Question 104
Math Olympiad Vault · MathNet 2005 — Part 03
Math Olympiad Vault · MathNet 2005 — Part 03