CBSE Class 12-science Answered
If the n terms a1, a2, . . . , an are in arithmetic progression with increment
r, then the difference between the mean of their squares and the
square of their mean is
Asked by jajravishan | 25 Feb, 2020, 06:41: PM
Expert Answer
The terms a1, a2, a3, ..., an are in AP with common difference r
Therefore, a2 = a1 + r, a3 = a1 + 2r, ... an = a1 + (n-1)r
Answered by Renu Varma | 27 Feb, 2020, 10:13: AM
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