i prob post on wrong sector but idk where i should post it, sorry
the quest is :
Which (positive) residual obtained when 11^30+5^31-6 divided by 24?
i have got this far
11^30=(11^2)^15=121^15 ==1^15 (mod 24)
i cant solve rest :S
ty sorban ur was clearly and i did understand :P
maxjasper sorry u did not have alot space kinda confused me :P
i was thinking like soo but thought it was wrong