Question

Jawaban dan cara penyelesaiannya no 11 dan 12

Answer 1

11. ²log6 + ²log18 - ²log27
= ²log6.18/27
= ²log4
= ²log2²
= 2. ²log2
= 2

12. ²log7 = a
²log3 = b

6log14 = ²log14/²log6
= ²log(7.2)/²log(3.2)
= ²log7 + ²log2 / ²log3 + ²log2
= (a + 1)/(b + 1)