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August 3, 2021 11:25 am 30 pts
Eduncle By Raabe's test, 2 Converges (for x= 1). for x> 1. Hence the given series converges for x < 1 and diverges ....... please check this and solve .I think it have some mistakes .
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• Anuj s.
un/un+1 = (4n-1)(4n+1)/(4n+2)(4n+4)x² un = (1.3.5....(4n-5)(4n-3))x²n/(2.4.6...(4n-2)(4n) un+1= (1.3.5....(4n-5)(4n-3)(4n+1))x²(n+1)/(2 .4.6....(4n-2)(4n)(4n+2)(4n+4)