Question 7(3 points)

Consider power series

n=1

(x+1)

n

3

n

n

{"version":"1.1","math":"\(\sum_{n=1}^{\infty}\frac{(x+1)^n}{3^n\sqrt{n}}\)"}.The interval of convergence of this series is

Question 7 options:

a)

(

{"version":"1.1","math":"$-$"}4, 2]

b)

[

{"version":"1.1","math":"$-$"}4, 2)

c)

[

{"version":"1.1","math":"$-$"}3, 3)

d)

(

{"version":"1.1","math":"$-$"}2, 4]

e)

(

{"version":"1.1","math":"$-$"}3, 3]

f)

[

{"version":"1.1","math":"$-$"}2, 4)

Question 7 (3 points) co (3'c+1)'1 n=1 3n Consider power series 2 . The interval of convergence of this series is Q a) (4, 2] O b) [4, 2) O c) [3. 3) Q d) (2, 4] 0 e) (3, 3] O f) [2, 4)