What would be the radius of convergence of ?
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Originally Posted by Haris What would be the radius of convergence of ? This is not a question? What does this mean? What is the ROC of maybe?
Aye, sorry thats the question I wanted to ask.
Originally Posted by Haris Aye, sorry thats the question I wanted to ask. This is just a geometric series, so we need the absolute value of the ratio, in this case, to be less than one. So this series converges for all values of x in the set Note that we have that iff . So in our case we need or that or or in general
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