Jika ²log 3 = a dan ³log 5 = b, nyatakan bentuk berikut dalam a dan b !
a. ²log 15
b.4log 75
c.25log 36
d.²log 5
e30log 150
f.100log 50
a. ²log 15
b.4log 75
c.25log 36
d.²log 5
e30log 150
f.100log 50
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a. 2log5 = ab ( berdasar yng soal d )
2log3 = a
2log (5x3) = 2log5 + 2log3 = ab + a
c. 25log36 = 5^2log6^2 = 2/2 . 5log6
= 2/2 . 5log(3x2) = 2/2 . (5log3 + 5log2)
= 2/2 . 1/b + 1/ab