Misal 2log3 = a, 2log5 = b, 2log7 = c Tentukan nilai dari 35log36

³⁵log36
= ²log36 / ²log35
= ²log(4 x 9) / ²log(5 x 7)
= (²log4 + ²log9) / (²log5 + ²log7)
= (²log2² + ²log3²) / (²log5 + ²log7)
= (2.²log2 + 2.²log3) / (²log5 + ²log7)
= (2 . 1 + 2 . a) / (b + c)
= (2 + 2a) / (b + c)
= 2(1+a) / (b+c)