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Find the common ratio of the infinite geometric series:

5/6 - 4/9 + 32/135 - ...

 Dec 30, 2018
 #1
avatar+94453 
+2

To find the common ratio, divide the second term by the first term....so.....

 

    -4/9 / 5/6  =   -4/9 * 6/5 =  -24 / 45 =  - 8 / 15   =  common ratio

 

 

cool cool cool

 Dec 30, 2018

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