1.

What is the common difference of the following a.p: 1/a , 3-a/3a , 3-2a/3a..........

Answer»

-1/3Explanation:given AP:- 1/a,3-a/3a,3-2a/3aWe 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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