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# Maclaurin and Taylor series Watch

1. http://imgur.com/FEwgDvA

Why do they have -e^4(x+4) ? Surely its -e^4(x). I mean it has to be of the form f '(a)x , as the below formula indicates:

http://imgur.com/d6kUF10

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2. (Original post by GPODT)
http://imgur.com/FEwgDvA

Why do they have -e^4(x+4) ? Surely its -e^4(x). I mean it has to be of the form f '(a)x , as the below formula indicates:

http://imgur.com/d6kUF10

Posted from TSR Mobile
There are different forms of the Taylor expansion that's all - the most general is written in terms of powers of (x+a) (or (x-a) in some texts).
3. The question indicates in powers of so .

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4. (Original post by davros)
There are different forms of the Taylor expansion that's all - the most general is written in terms of powers of (x+a) (or (x-a) in some texts).
(Original post by Joshmeid)
The question indicates in powers of so .

Posted from TSR Mobile
So the question will always tell you what power to use? Thanks
5. (Original post by GPODT)
So the question will always tell you what power to use? Thanks
The question says "find the Taylor series in powers of x+4". Therefore the terms in your series involve x+4, (x+4)^2, etc.

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