C-04-Q130mediumsingle_mcqlog55=?\log_5 \sqrt{5} = ?log55=?a111b12\dfrac{1}{2}21c222d000ব্যাখ্যাWriting 5=51/2\sqrt{5} = 5^{1/2}5=51/2 gives log551/2=12\log_5 5^{1/2} = \dfrac{1}{2}log551/2=21 by the power rule.