Ashwini posted an Question
October 12, 2020 • 21:34 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Find the radius of convergence

S ht adius c Conye9ence othe power (3-casbTIb Senes S b=

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  • Anirudhkrishana Best Answer

    usimg the formula of ROC

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    ..

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    sir , how you come to this step?

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    by taking logarithms on both the side to remove indeterminant form of limits you can arrive at this step

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    I think , we use this technique when limit is 1^infinity form..

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    yes you are right i made mistake here,but i think answer doesnt change otherwise we have to go for logarithm method

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