Simplifying.. not sure how to do it..

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January 21st 2013, 02:05 PM
phyfreak

Simplifying.. not sure how to do it..

(-4x^-6 * y^2)^3
to make it easier to read: http://i45.tinypic.com/2pzeeeq.jpg

Thanks a lot
January 21st 2013, 03:40 PM
Soroban

Re: Simplifying.. not sure how to do it..

Hello, phyfreak!

Quote:

$\text{Simplify: }\:\left(-4x^{-6}y^2\right)^3$

$\left(-4x^{-6}y^2\right)^3 \;=\;(-4)^3\left(x^{-6}\right)^3\left(y^2\right)^3 \;=\; -64x^{-18}y^6 \;=\;-\frac{64y^6}{x^{18}}$

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