 |
| ||
| |||
|
| Math Central | Quandaries & Queries |
|
Question from Jerome, a student: Factor: x^2+y^2 |
Hi Jerome,
If $x^2 + y^2$ were factorable then then $5^2 + 4^2$ would factor, but $5^2 + 4^2 = 25 + 16 = 41$ which is a prime and does not factor. Thus $x^2 + y^2$ is not factorable.
Penny
| ||
| ||
| ||
 |
 |
|
|
||
Math Central is supported by the University of Regina and the Imperial Oil Foundation.