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I have done the first 2 questionf of 8 but I cannot do the last 2,

I don't know what to do so I haven't attempted anything...

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- Jun 15th 2013, 08:03 PMMathnood768Dividing Radicals #2
imgur: the simple image sharer

I have done the first 2 questionf of 8 but I cannot do the last 2,

I don't know what to do so I haven't attempted anything... - Jun 15th 2013, 10:37 PMCesc1Re: Dividing Radicals #2
Remember that

With that in mind you can express

as and solve part c) as you did in parts a) and b)

For part d) you can do something similar, but notice that here we have a cube root.

Try to solve it and let us know if you need more help. - Jun 15th 2013, 11:35 PMibduttRe: Dividing Radicals #2
- Jun 16th 2013, 05:24 PMMathnood768Re: Dividing Radicals #2
what do i do with the -2/3???

- Jun 16th 2013, 07:59 PMibduttRe: Dividing Radicals #2
Firstly it is 2/3 and not - 2/3 [ 1 - 1/3 = 2/3 ]

- Jun 16th 2013, 08:05 PMibduttRe: Dividing Radicals #2