Matematika

Pertanyaan

1.[tex] \sqrt{3} + \sqrt{12} [/tex]
2.[tex] \sqrt{18} - \sqrt{8} [/tex]
3.4[tex] \sqrt{5} + \sqrt{20} [/tex]
4.5[tex] \sqrt{6} - \sqrt{24} [/tex]
5.[tex] \sqrt{48} + 6 \sqrt{3} [/tex]

1 Jawaban

  • Nomor 1
    = √3 + √12
    = √3 + √4×3
    = √3 + 2√3
    = 3√3

    Nomor 2
    = √18 - √8
    = √9×2 - √4×2
    = 3√2 - 2√2
    = √2

    Nomor 3
    = √5 + √20
    = √5 + √4×5
    = √5 + 2√5
    = 3√5

    Nomor 4
    = √6 - √24
    = √6 - √4×6
    = √6 - 2√6
    = -√6

    Nomor 5
    = √48 + 6√3
    = √16×3 + 6√3
    = 4√3 + 6√3
    = 10√3

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