Which of the statements are true regarding the Golden Ratio for positive integers?

Question

Consider the following statements regarding Golden Ratio for positive integers

1. It is the ratio of difference if two numbers and the smaller number.
2. It is the ratio of the sum of two numbers and the smaller number.
3. It is the ratio of the sum of two numbers and the larger number.

Which of the above statements is/are correct?

(a) 1,2, and 3                                                (c) 2 only

(b) 3 only                                                      (d) 1 only