1. amistre64

486^(1/4)

2. amistre64

4.695....

3. amistre64

or you want an exact solution ;)

4. mathmagician

$3\sqrt[4]{6}$

5. anonymous

486 | 2 243 | 3 081 | 3 027 | 3 486 = 2*(3^5) 009 | 3 003 | 3 001 | - $\sqrt[4]{486} = \sqrt[4]{2*3^5} = 3\sqrt[4]{2*3} = 3\sqrt[4]{6}$

6. amistre64

that was my next guess :)

7. anonymous

haha, just do it all.. lol