1.

The arithmetic mean (A.M.) of the observations 1.3.5, 3.5.7, 5.7.9...(2n–1).(2n+1).(2n+3) is

Answer»

The arithmetic mean (A.M.) of the observations 1.3.5, 3.5.7, 5.7.9...(2n1).(2n+1).(2n+3) is




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