Question

[Buddy]

Tính:

a) \({\log _3}\sqrt[3]{3}\);        

b) \({\log _{\frac{1}{2}}}8\);      

c) \({\left( {\frac{1}{{25}}} \right)^{{{\log }_5}4}}\).

Answer 1

[HT.Phong (9A5)]

a) \(log_3\sqrt[3]{3}=\dfrac{1}{2}\)

b) \(log_{\dfrac{1}{2}}8=-3\)

c) \(\left(\dfrac{1}{25}\right)^{log_54}=\dfrac{1}{16}\)