Matematika

Pertanyaan

1. (-5a)² * (-ab²)³

2. 1/5 (5a-3b)-1/3 (3a-4b)

1 Jawaban

  • 1. (-5a)² * (-ab²)³=25a² * -a³b∧5=-25a∧5b∧5

    2. 1/5 (5a-3b)-1/3 (3a-4b) = a - 3/5b - a + 4/3b =
    - 3/5b + 4/3b = -9+20/15 b =11/15 b


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