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1. simplify x(2x^-1/3)^4
2. where's ur attempt?
3. (Original post by sulaimanali)
where's ur attempt?
I ended up with x(16x / cube root x)
The answer is just 16 / cube root x but I don't know how to get it
4. Start by doing 2^4=16 and (x^-1/3)^4= x^-4/3
So then x16x^-4/3= 16x^-1/3, as you add the powers
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