Hello all,
How would you deal with a factorial in a ratio test to find the lim n→∞ .
here is the question:
∞
∑ 1 / (2n+1)!
0
Un = 1 / (2n+1)!
Un+1 = 1 / (2n+3)!
(Un)/(Un+1)= 1 / (2n+3)! . (2n+1)! / 1
(Un)/(Un+1)= (2n+1)! / (2n+3)!
Hello all,
How would you deal with a factorial in a ratio test to find the lim n→∞ .
here is the question:
∞
∑ 1 / (2n+1)!
0
Un = 1 / (2n+1)!
Un+1 = 1 / (2n+3)!
(Un)/(Un+1)= 1 / (2n+3)! . (2n+1)! / 1
(Un)/(Un+1)= (2n+1)! / (2n+3)!