Question

б 26 и б 30
пожалуйста

Answer 1

$log _{6} frac{36}{a} = log _{6}36-log _{6}a=2-(-6)=8$
$log _{2}49* log _{7}2-2^{lg _{2}}*5^{lg _{2}}=log _{7}49-(2*5)^{lg _{2}}=2-10^{lg _{2}}=2-2=0$