log43 = x ---> 4x = 3 ---> (22)x = 3 ---> 22x = 3 ---> √(22x) = √3
---> (22x)1/2 = (3)1/2 ---> 2x = (3)1/2 ---> log2(3)1/2 = x
Therefore, log43 = log2(3)1/2