Hello folks. First off i want to say this is an awesome forum! But lets get to the topic:
I totally understand the concept of convergence/divergence and i dont have problems to follow the lessons. But....
when it comes down to exercises/exams i totally fail in showing wether a series/sequence converges or not
i got the series:
my thinking was... finding a series a_n greater than the given one and then proof its convergence. but i seem to fail ....
another typical problem would be:
testing for convergence as n goes to infinity
my thought was writing the 1 as and then have raised to the power of 4n
but to be honest... im lost !