State the mean of first n-natural numbers...pls explain..
where , first term , a = 1
common difference , d = 2-1=1
⇒sum of first n natural numbers =
∴mean of first n natural number =
State the mean of first n-natural numbers...pls explain..
where , first term , a = 1
common difference , d = 2-1=1
⇒sum of first n natural numbers =
∴mean of first n natural number =