IIT JAM
Prafull kumar mehta Mehta Asked a Question
September 9, 2020 9:19 pmpts 30 pts
  • IIT JAM
  • Mathematics (MA)

The radius of convergence of the power series2is ( (b) (c) 2 (d) 4

The radius of convergence of the power series2is ( (B) (C) 2 (D) 4
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  • Pranav kumar Best Answer
    By ratio test we can easily find the radius of converget .
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  • Pranav kumar thankyou
    option a is correct
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  • Srinath
    Use root test. The answer is 1/4. And I think the range of x is between (-1,1).
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