log36(45)=lg45/lg36=(lg45/lg18)/(lg36/lg18)=log18(45)/log18(36)
log18(5×9)=log18(5)+log18(9)
l0g18(36)=log18(18)+log18(2)
a=log18(9) ,b=log18(5) ,
log18(324/9)=log18(324)-log18(9)=2-log18(9)=2-a
log36(45)=lg45/lg36=(lg45/lg18)/(lg36/lg18)=log18(45)/log18(36)
log18(5×9)=log18(5)+log18(9)
l0g18(36)=log18(18)+log18(2)
a=log18(9) ,b=log18(5) ,
log18(324/9)=log18(324)-log18(9)=2-log18(9)=2-a