Question

For all integers a and b, where b=0. subtracting b from a must result in a positive integer if:

(A) la-bl is a positive integer (4) is a positive integer
(B) (a/b)
(C) (b-a) is a negative integer
(D) (a + b) is a positive integer
(E) (ab) is a positive integer​

Answer 1

(A) |a - b| is a positive integer