Question

log 16 na base 1/5 × log1/5 na base 16

Answer 1

$\log_{\frac{1}{5}}16\cdot\log_{16}\frac{1}{5}=\\\\\frac{\log_{16}16}{\log_{16}\frac{1}{5}}\cdot\log_{16}\frac{1}{5}=\\\\\log_{16}16\cdot1=\\\\1\cdot1=\\\\\boxed{1}$