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I have no clue how to do 6. d) or 7. a) and b)

I have not attempted anything because I don't know what to do, I was able to do the first 3 questions for 6 though!

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- June 15th 2013, 08:01 PMMathnood768Dividing Radicals
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I have no clue how to do 6. d) or 7. a) and b)

I have not attempted anything because I don't know what to do, I was able to do the first 3 questions for 6 though! - June 16th 2013, 02:50 PMShadowKnight8702Re: Dividing Radicals
For 6d and 7a, multiply the top and bottom by the denominator. 7b is a bit different since it is a cube root. A cube root is basically x^(1/3), so multiply the top and bottom by x^(2/3). Does that make sense?