Question

ЛОГОРИФМЫ. 3^2-LOG3^5+(13)^LOG3 5

 

И  9^3-LOG3 54+7^-LOG4 2 

Answer 1

3^(2-LOG3^5)+(13)^LOG3 5= 3^2 / 3^(log(3)5)+1/(3^log(3)5)=9/5+1/5=2

 

9^(3-log(3)54)+7^(-log(7)2)= 9^3/ (3^log(3)54)^2+7^(-log(7)2) =1/4+1/7^(log(7)2)=1/4+1/2=3/4