fungsi kuadrat X²_4×+3=0
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Jawaban:
Diketahui :
- x² - 4x + 3 = 0
Ditanya : x1/x2 + x2/x1 = ....?
Penyelesaian :
x² - 4x + 3 = 0
= x² - 3x - x + 3
= x(x - 3)- 1(x - 3)
= (x - 1)(x - 3)
x1 :
x - 1 = 0
x = 1
x2 :
x - 3 = 0
x = 3
maap klo slh
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