Can anyone solve this problem please ?

[root_roxox]

 

[Deleted member 4993]

View attachment 20623

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

https://www.freemathhelp.com/forum/threads/read-before-posting.109846/#post-486520​

Please share your work/thoughts about this assignment.

 

[pka]

HINT: The \(\sum\limits_{n = 1}^\infty {{a_n}} \) must diverge if \(\mathop {\lim }\limits_{n \to \infty } {a_n}\not \to 0\).