Write the converse of the following statements.
(i) If a number `n` is even, then `n^(2)` is even.
(ii) If you do all the exercises in the book, you get an `A` grade in the class.
(iii) If two inegers `a` and `b` are such that `agtb`, then `a-b` is alwàys a positive integer.

Explanation

(i) If a number .(n)^(2). is even, then .(n). is even.
(ii) If you get an. A grade in the class, then you have done all the ẻxercises of the book.
(iii) If two integers a and.b are such that a .-b. is always a positive integer, therr .agtb..