Pre-Calculus, 9th edition
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53
| PAGE: 818 | SET: Exercises | PROBLEM: 53 |
Please look in your text book for this problem Statement
If 
, then the infinite geometric series 
converges,
its sum is 
.
The infinite geometric series is 
The first term of the series, 
.
The second term of the series, 
.
The common ratio ,
.
Since 
, the series is converges.
The sum is 
.
Substitute the values of 
and 
in above formula.
Sum 
The infinite geometric series is converges and its sum is 
.
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