Loading [MathJax]/jax/output/SVG/jax.js
 
+0  
 
0
339
1
avatar+140 

Consider two infinite geometric series. The first has leading term a common ratio b and sum S. The second has a leading term b common ratio a and sum1/S.  Find the value of a+b.

 Aug 15, 2021
 #1
avatar
-1

a + b = 1/2.

 Aug 15, 2021

0 Online Users