Question

Satu kali lagi niih.. Jika 2log3=a ,maka 2 log 15=??

Answer 1

²log 15 = log 15/log2 = log (3x5)/log 2 =(²log 3 +²log 5)/²log2 = (a+ ²log 5)/1 = (a+ ²log 5)

Answer 2

2log15=a
2log2³⁻¹=a
2. 2log2 =a
2log2=2a
2log=2a/2
2log=a