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Hard maths problem can you help




iok
(edited 6 years ago)
Original post by opi453



For the above power series i get -e/3<x<e/3 as the radius of convergence is that correct?

Any help would be appreciated


can't see the pic :frown:
Shows as a broken image.
That is incorrect: HINT: The 3 is just a constant, so is irrelevant.
Original post by opi453
Is it -e<x<e


Yes.
Original post by opi453



For the above power series i get -e/3<x<e/3 as the radius of convergence is that correct?

Any help would be appreciated


Cannot see the picture !!!!!!!!!!

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