Prafull Kumar Mehta posted an Question
September 10, 2020 • 02:49 am 30 points
  • 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

2 Answer(s) Answer Now
  • 0 Likes
  • 3 Comments
  • 0 Shares
  • Anonymous User Best Answer

    By ratio test we can easily find the radius of converget .

  • Srinath

    Use root test. The answer is 1/4. And I think the range of x is between (-1,1).

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers