Hasil dari [tex] \frac{ ^{3} log25 \times ^{5} log81 - ^{4} log2 }{ ^{3} log36 - ^{3} log4 } [/tex] adalah.. A. 11/4 B. 15/4 C. 17/4 D. 11 C. 15

jawab


p = ³log 25. ⁵log 81  - ⁴log 2 
p = ³log 5² . ⁵log 3⁴ - ²^²log 2
p= 2(4)(.³log 5. ⁵log 3) - 1/2
p = 8 - 1/2

q = ³log 36 - ³log 4 =³log 9 = ³log 3²= 2

p/q = (8 - 1/2)/(2) = (16 - 1)/4 = 15/4