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* 1/2 di jadikan bentuk log dengan bilangan pokok = 36 ->
36 log b = 1/2
b = (36)^1/2
b = (6²)^1/2
b = 6
36 log (x-4) + 36 log (x+1) < 36 log 6
36 log (x-4)(x+1) < 36 log 6
36 log x²-3x-4 < 36 log 6
⇒a = 36 maka a>1 shingga penyelesaiannya
x²-3x-4 < 6
x²-3x-4-6 < 0
x²-3x-10 <0
pembuat nol
x²-3x-10 < 0
(x-5)(x+2)
*x-5 = 0
x= 5 ∨
*x+2=0
x=-2
syarat penyelesaian
*x-4>0
x>4
*x+1>0
x>-1
shingga Hp = 4 <x≤ 5