(x+1),2x+1,4x-2. tentukan nilai xu (barisan aritmatika) tolong jawab yaa penting nii!!!
Matematika
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Pertanyaan
(x+1),2x+1,4x-2. tentukan nilai xu (barisan aritmatika)
tolong jawab yaa penting nii!!!
tolong jawab yaa penting nii!!!
1 Jawaban
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1. Jawaban nasril8
beda = U2 - U1 = U3 - U2
(2x + 1) -(x+ 1) = (4x-2) -(2x+1)
2x + 1 - x - 1 = 4x -2 -2x -2
x = 2x -4
x -2x = -4
- x = -4
x = 4