Math, asked by yalavarthisowjanya, 19 days ago


the A.M of a -3d , a-d, a+d and a+3d is ​

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Answered by rahul123437
1

the arithmetic mean of a-3d, a-d, a+d, a+3d is a

A.M= (a-3d) + (a-d) + (a+d) + (a+3d) = 4a = a

                                 4                                       4

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