Question

what can do you see in increase your distance from the mirror​

Answer 1

Mirrors may increase the amount of light reflected by a particular book, but they may not increase the amount of light reflected by the whole room, assuming it has a uniform albedo. If you look at a light bulb and a nearby mirror, you may see "two light bulbs" and a doubled amount of light, so to say.

Answer 2

the image will also be appear to form far away in the mirror. the image will be virtual, erect and of same size and object d=image distance