Question

СРОЧНО ПОЖАЛУЙСТА
Упростите: 
(2log₂³ ⁺ log₇2 ₋ log₇14)

Answer 1

log2(2^6)+log7(2)-log7(14)=6+log7(2/14)=6+log7(1/7)=6+log7(7^-1)=6-1=5

Answer 2

2log2(3)+log7(2)-log7(14)=2log2(3)+log7(2/14)=2log2(3)+log7(1/7)=2log2(3)-1=log2(9)-1
log7(1/7)=log7(7^-1)=-1*log7(7)=-1