Math, asked by shivashankara3ou9exn, 1 year ago

The sum of deviations of n observations from 25 is 25 and sum of deviations of the same n observations from 35 is -25.find the mean of the observations

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Answered by pankajgzp055
4
tan15 tan 25 tan45 tan65 tan75
shivashankara3ou9exn: Question Chudu ra babu
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