Saved Bookmarks
| 1. |
If the first term of an infinite G.P. is 8 and its sum to infinity is 32/3 then find the common ratio. |
|
Answer» Here a = 8, S∞ = 32/3 a/(1 - r) = 32/3 8/(1 - r) = 32/3 32 – 32 r = 24 ⇒ 32 r = 8 r = 8/32 = 1/4 Common ratio = 1/4 |
|