What is the common difference of the following a.p:
1/a , 3-a/3a , 3-2a/3a..........
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Answer: -1/3
Explanation:given ap:- 1/a,3-a/3a,3-2a/3a
We will break 3-a/3a as 3/3a - a/3a
We will get 1/a -1/3.
Now again we will break 3-2a/3a as 3/3a -2a/3a we will get 1/a - 2/3
So after subtracting 2nd term from 3rd we will get common difference as -1/3
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