question is when 4^a=a -> a*log_2(4)=log_2(a) -> 2a=log_2(a) -> if a=1/2 then 2^1=2 and 1/2 != 2 , no solution 🙂 Another try is graph y=2a comparison with y=log_2(a) also no solution: [...] Read more
Today we discussed the riddle from Harvard
