Question

logпо основанию 2 56 + 2log по основанию 2 12 - log по омнованию 2 63

Answer 1

log(2,56)+log(2,12)-log(2.63)=log(2,56)+log(2,12^2)-log(2,63)=
log(2,56*144)-log(2,63)=log(2,56*144 /63)=log(2,128)=log(2,2^7)=7log(2,2)=7