Question

Consider two integers x and y such that x | y, and y | x. Which of the following must be true about x and y?

a) They must be equal and one of it should be positive.

b) They must be equal and both should be positive.

c) They must be equal and both should be negative.

d) They must have the same magnitudes

Answer 1

Answer:

D . I think so

or

B . I think