In a typical changing room at a clothing store, you may find two mirrors on opposite walls, a setup that allows you to see how you look from the front and the back (Fig. P24.12). A consequence of this configuration is that you see a seemingly endless number of images of yourself getting farther and farther away. Assuming you’re standing in the middle of the changing room and the mirrors are separated by a distance d, derive a general expression for the positions of the images you see.