C-04-Q156mediumsingle_mcqlog555=?\log_5 \sqrt[5]{5} = ?log555=? (Ex 4.2 Q1)a12\dfrac{1}{2}21b15\dfrac{1}{5}51c555d111ব্যাখ্যা55=51/5\sqrt[5]{5} = 5^{1/5}55=51/5, so log555=15\log_5 \sqrt[5]{5} = \dfrac{1}{5}log555=51.