|x-2|≤|x+1| tolong di bantu ya kaka
Matematika
NisaSalsabila190
Pertanyaan
|x-2|≤|x+1| tolong di bantu ya kaka"
1 Jawaban
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1. Jawaban Murva
|x-2| ≤ |x+1|
(x-2)²≤ (x+1)²
(x-2)² - (x+1)²≤ 0
[(x-2)+ (x+1)]×[(x-2)- (x+1)]≤ 0
(x-1) ( -3) ≤ 0
-3x +3 ≤ 0
-3x ≤ -3
x≤ 1