Question

Решите пожалуйста.
log2 50 - 2log2 5

Answer 1

$log_{2} 50-2log_{2} 5=log_{2} 50-log_{2} 5^2=log_{2} frac{50}{25}=log_{2} 2=1$

Answer 2

log2 50 - 2log2 5=log2 50-log2 25=log2 50/25=log2 2=1