Download Find the sum of the following series : 9 - Sarthaks eConnect book pdf free download link or read online here in PDF. Read online Find the sum of the following series : 9 - Sarthaks eConnect book pdf free download link book now. All books are in clear copy here, and all files are secure so don't worry about it. This site is like a library, you could find million book here by using search box in the header.
Taking 9 in common we get . 9(1 + 11 + 111 + ....n) Now Multiply and Divide by 9 we get, Now first term is in GP. 10, 100, 1000…to n terms. ∴ Common Ratio = r = \(\frac{100}{10}\) = 10. ∴ Sum of GP for n terms = \(\frac{a(r^n - 1)}{r-1}\) ..... (1) ⇒ a = 10, r = 10, n = n. ∴ Substituting the above values in (1) we get
| Read : Find the sum of the following series : 9 - Sarthaks eConnect pdf book online Select one of servers for direct link: |
|---|