Find the common difference of the Arithmetic ProgressionA.P.1 3-a 3-2a – InterviewSolution

1.	Find the common difference of the Arithmetic ProgressionA.P.1 3-a 3-2aЗа , 3a , (a=0)
Answer» Common difference is 3-a/3a-1/a=3-a/3a-3/3a=-a/3a=-1/a

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