C0900TextPages_page_16

C0900TextPages | page 16 | https://thedailydialectics.com/pdfs/education/C0900TextPages/C0900TextPages.pdf

608 CHAPTER 9 Infinite Series EXAMPLE 2 Writing a Series in Telescoping Form aS 2 Find the sum of the series > dent: Solution Using partial fractions, you can write 2 2 a 4 — 1 Qn—-DQn+1) nW—-l Wt! From this telescoping form, you can see that the nth partial sum is ee a "\1 3 3.5 2n-1) nti) — n+ 1°…