Question

Am of first n natural number is?​

Answer 1

Step-by-step explanation:

first natural no. in real no. system is 1

Answer 2

Step-by-step explanation:

First n natural numbers are 1,2,3,.....,n. Now we have to find the arithmetic mean of first n natural numbers. we know that the sum of n natural number is n*(n+1)/2. [We can prove this by mathematical induction