# relation between x and y

• June 3rd 2010, 04:19 AM
erich22
relation between x and y
if x,y, and a are positive integers.
What can be implied if x^8 + y^8 < a^8?
Thank u for the replies!
• June 3rd 2010, 06:37 AM
Soroban
Hello, erich22!

Quote:

If $x,y,a$ are positive integers,

what can be implied if: . $x^8 + y^8 \:<\: a^8\;?$

I conclude that: . $\begin{array}{c}0 \:<\:x \:<\:a \\ 0 \:<\:y\:<\:a \end{array}$
Code:

|
a + . . . . . . . .
| * * * * * * * .
| * * * * * * * .
| * * * * * * * .
| * * * * * * * .
| * * * * * * * .
| * * * * * * * .
| * * * * * * * .
- - + - - - - - - - + - -
|              a

• June 3rd 2010, 10:41 PM
erich22