Question

Diketahui ²log3=a, ³log5=o
nyatakan ¹²log75 dalam a dan o

Answer 1

=(log75):(log12)
=(log(3x25)):(log(3x4))
=(log(3) + log(25)) : ((log(3) + log(4))
=(3log3 + 2 . 3log5 ) : (3log3 + 2 . 3log2 )
= (1 + 2 . o ) : (1 + 2 . (1/a) )
=(a (1+2o)) : (a +2)