Question

Tenutukan himpunan penyelesain dari 2log(x²+2x)<3

Answer 1

Verified answer

2log(x² + 2x) < 3
= 2log(x² + 2x) < 2log 2³
= x² + 2x < 8
= x² + 2x - 8 < 0
= (x - 2) (x + 4) < 0
x = 2 atau x = - 4

Hp = { x | x < - 4 atau x > 2 } ✔️

Semoga bermanfaat.....
-Prisco