2 Show that a 01 R b 0 2 02 Solutionthe information is not c

2. Show that a. (0,1) R. b. (0, 2] (0,2).

Solution

the information is not complete;

(0,1) ~ R

there are equal numbers of elements in (0,1) as in R;

or (0,2] has equal number of elements as (0,2);

further

1/x is a function which maps (0,1) to R;

which is onto and one to one;

feel free to ask in further in comment.