C-04-Q152mediumsingle_mcqSolve logx324=4\log_x 324 = 4logx324=4 (Example 8):ax=32x = 3\sqrt{2}x=32bx=18x = 18x=18cx=6x = 6x=6dx=9x = 9x=9ব্যাখ্যাlogx324=4\log_x 324 = 4logx324=4 means x4=324x^4 = 324x4=324. Since 324=182=(32)4324 = 18^2 = (3\sqrt 2)^4324=182=(32)4, taking the positive fourth root gives x=32x = 3\sqrt 2x=32.