Matematika

Pertanyaan

tolong bantuu nmr 43 atau 44 yaaa, dengan caranya
tolong bantuu nmr 43 atau 44 yaaa, dengan caranya

1 Jawaban

  • Kelas 9 Matematika
    Bab Akar dan Pangkat

    ^ = pangkat

    43] 9^(1/m) = 2
    (9^(1/m))^m = 2^m
    9 = 2^m

    4^m = (2²)^m
    4^m = (2^m)²
    4^m = (9)²
    4^m = 81

    44] ^3√(x² . √x^5) = √x^m
    ^3√(x² . x^(5/2)) = x^(m/2)
    ^3√(x^(2 + 5/2)) = x^(m/2)
    ^3√(x^(9/2)) = x^(m/2)
    x^(9/(2 . 3)) = x^(m/2)
    x^(3/2) = x^(m/2)
    m/2 = 3/2
    m = 3