Let (an) be a numerical sequence such that lim Ja," Then the radius of conver- 8. 71H00 gence of the series 5a r" is n=0 (A) 83 (B) 5-83 (C) 2 1 (D)

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Q: please rewrite the calculations and solution better.

A:

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A:

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A:

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A:

Q: 00 (けい)eah

A: SOLUTION-

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Q: please solve question (b)

A: See this solution in below.