[2x-3] - [2x+1] > 0 *[ ] = tanda mutlak
Matematika
marisaherdiniicha
Pertanyaan
[2x-3] - [2x+1] > 0
*[ ] = tanda mutlak
*[ ] = tanda mutlak
1 Jawaban
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1. Jawaban ryantian17
Materi pertidaksamaan mutlak.
|2x-3| - |2x+1| > 0
(2x-3)²-(2x+1)²> 0
(2x-3+2x+1)(2x-3-(2x+1))>0
(4x-2)(-4)>0 bagi -4
4x-2<0
4x<2
x<½
Semoga membantu