2log3=a 7log2=b, maka 16log63=

Logaritma

2log 3 = a
2^4 log 3^4 = a
16log 81 = a
16log 81 = a
kali 1/2
16 log 9 = 1/2 a

2log 7 = 1/b
4 (16log 7) = 1/b
16 log 7 = 1/4 b

16log 63
= 16log 9 + 16log 7
= a/2 + b/4
= 2a+b /4