Question

Jawab ya,pkai cranya
#matematika minat

Answer 1

Verified answer

17.]


Titik Kritis :
5a - 1 = 0
a = 1/5
5ˣ = 1/5
x = -1

a - 5 = 0
a = 5
5ˣ = 5
x = 1

Diminta yang ≥ 0 , maka
HP : {x | x ≤ -1 atau x ≥ 1}

18.]
²log √27 • ⁹log 16 + ²⁵log 125

= ³/₂ • 2 • ²log 3 • ³log 2 + ³/₂ • ⁵log 5
= 3 + ³/₂
= 9/2