I have been assigned this fro my proofs class, and i haven't been able to figure it out after several tries.
"There do not exist rational numbers x and y such that X^y is positive and Y^x is negative."
does anyone have any idea? Thanks!!
I have been assigned this fro my proofs class, and i haven't been able to figure it out after several tries.
"There do not exist rational numbers x and y such that X^y is positive and Y^x is negative."
does anyone have any idea? Thanks!!