When a is less than 0
When 1.a is greater than-1 and less than 0, a is greater than 1 of a.
2. when a is less than-1, a is less than 1 of a.
When a is greater than 0,
1 a is greater than 0 and less than 1, and a is less than a's 1.
When 2 a is greater than 1, a is greater than 1 of a.
To sum it up
1 When a= plus or minus 1, it is equal to.
2 When a is greater than-1 and less than 0, or when a is greater than 1, a is greater than 1.
3 when a is less than-1 or a is greater than 0 and less than 1, a is less than a 1.