- #1

fsm

- 88

- 0

[tex]

\\sum_{n=0}^\\infty \\frac{(x+7)^n}{sqrt(n)}

[/tex]

I get:

-8<x<-6

[tex]

\\sum_{n=1}^\\infty \\frac{(-1)^n*x^2n}{n!}

[/tex]

This one I'm not sure of. When I take the limit I get 0. When I solve the inequality I get x. I can't find an example of this.