# difference of two squares

#### bergausstein

##### Active member
is this a difference of two squares?

$\displaystyle x^{\frac{1}{4}}-y^{\frac{1}{4}}$

#### MarkFL

Staff member
Yes, if you write it as:

$$\displaystyle \left(x^{\frac{1}{8}} \right)^2-\left(y^{\frac{1}{8}} \right)^2$$