Recent content by tinkerbell

thanks...I've found ker=10Z, but to find fi(18), I have no clue. I don't know how to relate fi(1)=6. It must be addition

abstract algebra ...HELP, PLZ! THIS IS THE PROBLEM: COMPUTE THE INDICATED QUANTITIES FOR THE GIVEN HOMOMORPHISM KER (PHI) AND PHI(18) FOR PHI: Z -> Z10 (SUBCRIPT) SUCH THAT PHI(1)=6 Can anyone please help me to solve this problem? I don't even know what it's asking for? Don't know where...