simplify The following:

4th root of 12 * 7th root of 6

12^1/4 * 6^1/7 

we will take factor of 12^1/4 = 2^1/4 * 6^1/4 

put this value

= 2^1/4 * 6^1/4 * 6^1/7

= 2^1/4 * 6^1/4)+(1/7) 

= 2^1/4 * 6^11/28 

Hope this helps you

cheers!!!!