Question

Me ajudem nesses itens porfavor! imagem:

Answer 1

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a)
$(2x^2)^{-3}= \frac{1}{(2x^2)^3} = \frac{1}{8x^6}$

b)
$( \frac{a.b^{-1}}{c^{-2}} )^{-1}= \frac{a^{-1}.b}{c^2} = \frac{b}{a.c^2}$

f)
$( \frac{x^{-2}}{a^{-1}.b} )^{-1}=( \frac{x^2}{a^1.b^{-1}} )^1= \frac{x^2.b}{a}$