Caleb C.

asked • 03/16/16

Please I need help with these two!!! cuberoot(81(x^2)(y^4)) / cuberoot(15y^3) and 2 cuberoot(25(x^2)(y^4)) ? 5 cuberoot(15y^3)

These are two questions

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Thomas E. answered • 03/16/16

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You can combine the numerators and denominators under a single cube root for each problem.  That way you can simplify the fraction first:
 
1.  Cuberoot(81x2y4/15y3) = Cuberoot(27x2y/5)
 
the scond can be done the same way
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Caleb C.

3 cuberoot((x^2)y / 5)

9 cuberoot((x^2)y / 15)

9x cuberoot(y / 15)

3 cuberoot((x^2)y / 15)

9 cuberoot((x^2)y / 5)
These were the options for the first one
 
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03/16/16

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