Maths&physics
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Is part b maclaurins or taylors series and how do I differentiate? I stupidly threw away my notes when I saw both were in the formula book.
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RDKGames
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(Original post by Maths&physics)
I spart b maclaurins ot taylors series and how do I differentiate? I stupidly threw away my notes when I saw both were in the formula book.
The expansion is about x=0 so you need to use Maclaurin series.

Use your answers to part (a) to help you with that. Have you done it?
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(Original post by RDKGames)
The expansion is about x=0 so you need to use Maclaurin series.

Use your answers to part (a) to help you with that. Have you done it?
thank you
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RDKGames
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(Original post by Maths&physics)
thank you
No problem.

If you come to a blank where you don't know whether to use Maclaurin or Taylor, ALWAYS choose Taylor.

This is because Taylor expansion is general to any point along the curve x=a whereas Maclaurin expansion is only for x=0 (i.e. Maclaurin is basically Taylor but for x=0). So if you roll with Taylor, you will end up with Maclaurin anyway if your point is x=0 and so you would still get the right answer.

If you use Maclaurin for a point x \neq 0 then you will get the wrong answer.
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(Original post by RDKGames)
No problem.

If you come to a blank where you don't know whether to use Maclaurin or Taylor, ALWAYS choose Taylor.

This is because Taylor expansion is general to any point along the curve x=a whereas Maclaurin expansion is only for x=0 (i.e. Maclaurin is basically Taylor but for x=0). So if you roll with Taylor, you will end up with Maclaurin anyway if your point is x=0 and so you would still get the right answer.

If you use Maclaurin for a point x \neq 0 then you will get the wrong answer.
fantastic. thank you
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