May5sos May5sos

23-02-2017
Mathematics

contestada

How do you simply these expressions?
a. (1/2)^-3 b. (3/5x)^-1

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ChandrikaP ChandrikaP

23-02-2017

(1/2)^-3=1/(1/2)^3=2^3 (by x-n=1/x^n)

(3/5x)^-1=5x/3

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