Arthametic mean of first n natural numbers
Answers
Answered by
1
Answer:
correct answer is (n+1)/2
Step-by-step explanation:
Answered by
1
ANSWER
First n natural numbers are, 1,2,3,..........n
Sum of these numbers =1+2+3+.....+n=
2
n(n+1)
Hence arithmetic mean =
Total numbers
Sum of numbers
=
n
2
n(n+1)
= 2n+1
Similar questions