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1. how do you differentiate

(x+y)^3 = x^2 + y

( i know how to do the RHS, just not the bit in brackets)
2. Are you differentiating with respect to x or y?
3. Here is the algebraic solution by implicit differentiation:
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4. (Original post by Kota Dagnino)
Here is the algebraic solution by implicit differentiation:
https://www.thestudentroom.co.uk/sho...0#post73059680
5. (Original post by Kota Dagnino)
Here is the algebraic solution by implicit differentiation:
oh i see now thanks
6. (Original post by jarjarbinkss)
how do you differentiate

(x+y)^3 = x^2 + y

( i know how to do the RHS, just not the bit in brackets)
You can differentiate the LHS by substitution.

Let , then what is ?

Then by the chain rule,
7. (Original post by RDKGames)
You can differentiate the LHS by substitution.

Let , then what is ?

Then by the chain rule,
thank you

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