Matematika

Pertanyaan

3 akar 75 + akar 72 - 5 akar 27 - 4 akar18

1 Jawaban

  • 3V75 + V72 - 5V27 - 4V18
    = 3V(25×3) + V(36×2) - 5V(9×3) - 4V(9×2)
    = 3V25V3 + V36V2 - 5V9V3 - 4V9V2
    = 3(5)V3 + 6V2 - 5(3)V3 - 4(3)V2
    = 15V3 + 6V2 - 15V3 - 12V2
    = - 6V2

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