(2 intermediate revisions by 2 users not shown) | |||
Line 4: | Line 4: | ||
im still confused on this one, can you explain a little more about how you found your answer | im still confused on this one, can you explain a little more about how you found your answer | ||
+ | |||
+ | i got 32 can any one verify? | ||
+ | |||
+ | If GF(81)* has 80 elements, <math>\phi(80)=32</math>. | ||
+ | |||
+ | |||
+ | I got 32 too. |
Latest revision as of 05:49, 11 December 2008
Use Euler's phi function to save yourself the trouble of counting.
...or count to save yourself the trouble of using Euler's phi function... just kidding :-P
im still confused on this one, can you explain a little more about how you found your answer
i got 32 can any one verify?
If GF(81)* has 80 elements, $ \phi(80)=32 $.
I got 32 too.