# Power series representation for the function

• April 6th 2010, 04:00 PM
racewithferrari
Power series representation for the function
Find a power series representation for the function and determine the interval of convergence
Attachment 16239
• April 6th 2010, 04:05 PM
Drexel28
Quote:

Originally Posted by racewithferrari
Find a power series representation for the function and determine the interval of convergence
Attachment 16239

Let $z=x^4$ then we have $\frac{3}{1-z}$. Look familiar?
• April 6th 2010, 04:20 PM
racewithferrari
Quote:

Originally Posted by Drexel28
Let $z=x^4$ then we have $\frac{3}{1-z}$. Look familiar?

Sorry didnt understand what you said.

what will the answer in terms of the $sum sign$