Bentuk sederhana dari ((27a^(-5) b^(-3))/(3^5 a^(-7) b^(-5) ))^(-1)adalah....
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=(3^5a^-7b^-5)/(27a^-5b^-3)
=(3^5a^-7b^-5)/(3^3a^-5b^-3)
=3^(5-3) a^(-7-(-5)) b^(-5-(-3))
=3^2 a^-2 b^-2
=(3^5a^-7b^-5)/(27a^-5b^-3)
=(3^5a^-7b^-5)/(3^3a^-5b^-3)
=3^(5-3) a^(-7-(-5)) b^(-5-(-3))
=3^2 a^-2 b^-2