Tolong bantuin please
Matematika
KeiHana
Pertanyaan
Tolong bantuin please
2 Jawaban
-
1. Jawaban shivaameilyaa
jawabnyaa B.-2<x<1 semoga membantu -
2. Jawaban Ricoam216
[tex] \frac{ x^{2} +x-2}{ x^{2} +3x+2}\ \textless \ 0\\ \frac{ (x+2)(x-1)}{ (x+2)(x+1)} \ \textless \ 0\\ \frac{x-1}{x+1}\ \textless \ 0 [/tex]
dengan membuat garis bilangan
______________
| |
+ | - | +
------------/---------------------/------------
-1 1
-1 < x < 1