stuck on a question guy need help pleeeeeaaaaase!
a geometric series has common ratio 0.9. what is the smallest number of terms required for the sum of the series to be greater than 99.9% of the sum of infinity
any ideas? would like working out too please
maths help Watch
- Thread Starter
- 29-01-2010 20:23
- 29-01-2010 20:28