Matematika

Pertanyaan

3x^2-2x+2=
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1 Jawaban

  • 3x²-2x+2=0
    Bagi kedua ruas dengan 3
    x²-(2/3)x=-2
    x²-(2/3)x+(1/2×(2/3))²=-2+(1/2×(2/3))²
    x²-(2/3)x+(2/6)²=-2+(2/6)²
    (x-(2/6))²=-2+(4/36)
    (x-(2/6))²=(-72/36)+(4/36)
    (x-(2/6))²=(-68/36)
    (x-(2/6))=±√(-68/36)
    (x-(2/6))=±√(-17×4/36)
    (x-(2/6))=±(2√-17/6)
    x₁=2√-17/6+(2/6)
    x₁=(2+(2√-17))/6
    x₂=-(2√-17/6)+(2/6)
    x₂=(-2√-17/6)+(2/6)
    x₂=(2+(-2√-17))/6

    Hp={ x₁,x₂ }=(2+(2√-17))/6, (2+(-2√-17))/6

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