The mean deviation from the mean of the AP a, a + d, a + 2d, …., a + 2nd is:
The correct answer is b)
The mean of the series a, a + d, a + 2d, …., a + 2nd is:
Therefore, the Mean deviation from the mean
Therefore b) is the correct answer.
Study 40% syllabus and score up to 100% marks in JEE