turunan 2x^2 + 3x - 5 / x - 1
Matematika
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Pertanyaan
turunan 2x^2 + 3x - 5 / x - 1
1 Jawaban
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1. Jawaban Anonyme
jawab
y = (2x² + 3x + 5) /(x-1)
u = 2x² + 3x - 5
u' = 4x + 3
v = x - 1
v' = 1
y = u/v --> y' = u'v - uv' /(v²)
y' ={ (4x+3)(x-1) - (2x² +3x -5)(1)} / (x-1)²
y' = (4x² - x - 3 - 2x² - 3x + 5) /(x -1)²
y' = ( 2x² - 4x + 2)/(x - 1)²
y' = 2(x -1)²/(x-1)²
y' = 2