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April 19, 2014

April 19, 2014

Posted by **lou** on Monday, May 6, 2013 at 9:56pm.

- algebra -
**Reiny**, Monday, May 6, 2013 at 10:24pm(-12a^2b^6)^3 / (9a^3b^9)^3

= ( (-12a^2b^6)/(9a^3b^9) )^3

= ( (-4/3)(1/a)(1/b^3) )^3

= (-64/27)(1/a^3)(1/b^9)

= -64/( 27a^3b^9 )

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