- #1
wfc
- 2
- 1
How could you prove that if x*y ≠ -1, then x/y ≠ -1?
x*y ≠ -1 → x ≠ -1/y
I'm not sure where to go after that.
x*y ≠ -1 → x ≠ -1/y
I'm not sure where to go after that.