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# Steps for forming iteration equation

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1. Hello everyone,

Please can I have some help with 13b - we haven't studied e yet so I don't know how to prove the iteration formula in 13b.
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2. (Original post by Electrogeek)
Hello everyone,

Please can I have some help with 13b - we haven't studied e yet so I don't know how to prove the iteration formula in 13b.
Move to the RHS. Then add to both sides. Factor and divide.
3. (Original post by RDKGames)
Move to the RHS. Then add to both sides. Factor and divide.
Did you differentiate e^x to get xe^x?
4. (Original post by Electrogeek)
Did you differentiate e^x to get xe^x?
No. I simply got it from observing the wanted form.

Also when you're gonna cover you will find out that

5. (Original post by RDKGames)
No. I simply got it from observing the wanted form.

Also when you're gonna cover you will find out that

Thanks for the help. 🙂

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