IIT JAM
Divam kumar Asked a Question
September 8, 2020 8:23 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

The radius of convergence of the power series2x" is (a) (b) (c) 2 (d) 4

The radius of convergence of the power series2x" is (A) (B) (C) 2 (D) 4
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  • Pranav kumar Best Answer
    see the attachment
    • cropped2592190432464250006.jpg
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  • Pranav kumar thankyou
    option a is correct
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  • Srinath
    If x belongs to [0,1), then if you apply the root test, the result will come out as 1/4
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  • Piyush
    Can you send a clear picture or tell me what's in the power of x?
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