Найти Х:

а) log x 4 = 1/3

б) lg x = 1/2 lg 9 - 2/3 lg 8

log x 4 = 1/3;

x=4³=64;

б) lg x = 1/2 lg 9 - 2/3 lg 8

lg x = lg3-lg4;

lg x = lg(3/4);

x = 3/4;