need fast pliss soal matematika sma sederajat
Materi : Bentuk dan Persamaan Kuadrat
3x² + 11x + 10 = 0
[ a = 3 , b = 11 , c = 10 ]
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x¹ + x² = -b/a = -11/3
x¹ . x² = c/a = 10/3
1/x¹ + 1/x²
= ( x¹ + x² )/( x¹ . x² )
= ( -11/3 )/( 10/3 )
= -11/3 × 3/10
= -11/1 × ⅒
= - 11/10
Semoga bisa membantu
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Jawaban:
jawaban ada digambar ya
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