Matematika

Pertanyaan

Berapakah hasil dari 3 akar 75 ditambah 4 akar 12 dikurang 5 akar 48

2 Jawaban


  • [tex] = 3 \sqrt{75} + 4 \sqrt{12} - 5 \sqrt{48} \\ = 3 \sqrt{25 \times 3} + 4 \sqrt{4 \times 3} - 5 \sqrt{16 \times 3} \\ = 15 \sqrt{3} + 8 \sqrt{3} - 20 \sqrt{3} \\ = (15 + 8 - 20) \sqrt{3} \\ = 3 \sqrt{3} [/tex]

  • [tex]3 \sqrt{75} + 4 \sqrt{12} - 5 \sqrt{48} \\ = 3 \sqrt{(5.5. 3)} + 4 \sqrt{(2.2.3)} - 5 \sqrt{4.4.3} \\ = 15 \sqrt{ 3} + 8 \sqrt{3} - 20 \sqrt{3} \\ = (15 + 8 - 20) \sqrt{ 3} \\ = 3 \sqrt{3} [/tex]
    Semoga membantu ^_^

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