Brandon Lam
Dividing Radical
∛(a^3+b^3 )/∛(a+b)



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lokisan
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Radicals are just expressions for powers, so you can use power laws to turn your orginal expression into:\[\left( \frac{a^3+b^3}{a+b} \right)^{1/3}\]

lokisan
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You then use polynomial or synthetic division to divide that expression.

lokisan
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The fraction is\[a^2ab+b^2\]so your expression will become,\[\sqrt[3]{a^2ab+b^2}\]

Brandon Lam
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How you division

lokisan
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Hmm, it's a bit difficult to explain on this site. I'll see if I can find a link with a clip.


lokisan
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It's not a hard thing to do  you'll pick it up quickly.

Brandon Lam
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can you tye wgat number I need division

lokisan
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Sorry, I'm sure what you want?

lokisan
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You still want me to do the division?

Brandon Lam
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division like this:
a+b:〖 a〗^3+ b^3

Brandon Lam
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you just write eqution and I know how to division

lokisan
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okay

Brandon Lam
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I just want to know what number division by what number

lokisan
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a+b  a^3 + b^3

lokisan
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The denominator appears on the LHS, the numerator on the RHS.

Brandon Lam
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let my try,thank

lokisan
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You're welcome

Khaledyahya
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Can any of u help me how to draw the graph

lokisan
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The graph of what?

Brandon Lam
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thank, I can solve now

lokisan
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No probs. Become a fan :)