Matematika

Pertanyaan

y2 - y -72 = 0 persamaan kuadrat

1 Jawaban

  • [tex] y_{1} [/tex] = (1+ akar(1-4.1.(-72))/2
                              = 18/2= 9
    [tex] y_{1} [/tex] = (1- akar(1-4.1.(-72))/2
                              = -16/2= -8

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