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Kelas 9Kelas 10mathAljabar

((3a^6 . b^-5)/(81a^9 . b^-2))^-1 = ... A. 3ab C. (3ab)^3

Pertanyaan

((3a^6 . b^-5)/(81a^9 . b^-2))^-1 = ... A. 3ab C. (3ab)^3 E. (3ab)^-1 B. (3ab)^2 D. (3ab)^-3

Solusi

Verified

(3ab)^3

Pembahasan

((3a^6 . b^-5)/(81a^9 . b^-2))^-1 = (3/81)^-1 . (a^6/a^9)^-1 . (b^-5/b^-2)^-1 = (1/27)^-1 . (a^-3)^-1 . (b^-3)^-1 = 27 . a^3 . b^3 = (3ab)^3

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Topik: Operasi Pangkat
Section: Sifat Sifat Pangkat

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