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# Indices! watch

1. Expand 3x^2/3(2x^2/3+2x^-2/3)

HELP MEEEE
2. (Original post by stephielola)
Expand 3x^2/3(2x^2/3+2x^-2/3)

HELP MEEEE
First of all, the way you've typed it is ambiguous. Does you mean

Or

I suspect the first one, but anyway, what have you tried already?
3. (Original post by KaylaB)
First of all, the way you've typed it is ambiguous. Does you mean

Or

I suspect the first one, but anyway, what have you tried already?
The first except the root is 2/3 x
4. (Original post by stephielola)
The first except the root is 2/3 x
Ah so this?

Spoiler:
Show

So how have you attempted this already?
5. (Original post by KaylaB)
Ah so this?

Spoiler:
Show

So how have you attempted this already?
Ahaha!! Yeah sorry about that I have tried multiplying out the bracket using the in-dice law. But I am not sure if I am doing it right
6. (Original post by stephielola)
Ahaha!! Yeah sorry about that I have tried multiplying out the bracket using the in-dice law. But I am not sure if I am doing it right
Care to post your working out so I can see if you're heading in the right direction?
7. (Original post by KaylaB)
Care to post your working out so I can see if you're heading in the right direction?
I got something like, 6x^2 and an indice of 4/3 +6x^2 and indice to the 0
8. (Original post by stephielola)
I got something like, 6x^2 and an indice of 4/3 +6x^2 and indice to the 0
You are correct about the first term

With the second term, you are correct in saying that the index would be 0 so it would be which is the same as what?

I don't see where you got from? The answer should only have 2 terms
9. (Original post by KaylaB)
You are correct about the first term

With the second term, you are correct in saying that the index would be 0 so it would be which is the same as what?

I don't see where you got from? The answer should only have 2 terms
Ahh okkkk xx

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Updated: January 9, 2017
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