A)Log4 8 +Log4 2 b) Log3 7 - log3 7/9

Question

A)Log4 8 +Log4 2
b) Log3 7 - log3 7/9

Answer 1

A)a)Log4 8 +Log4 2=Log4 8*2=Log4 16=2

b) Log3 7 - log3 7/9=Log3 (7:7/9)=log3 (7*9/7)=log3 9=2

Answer 2

А)Log4 8+Log4 2=Log4 16=2
B)Log3 7-log3 7/9=Log3 (7:7/9) Log3 (7*9/7)=Log3 9=2.