The first one does not exist since if it did would be finite.
For the second one notice that
Hi,can some one please help me with the following sums as i need to prove that they either exist or do not exist:
We do NOT say the sum exists if it is infinity.
I know that:
this sequnce doesnot exist
but this sequence does exist
so i am confused about if this sequence exists
2. i am not sure if the following sum exists