Question

Find the sum of first n natural numbers

Answer 1

sum of first 10 natural no.
1+2+3+4+5+6+7+8+9+10
,55
hope it helps you

Answer 2

The formula for finding the sum of first n natural no. s is (n(n+1))/2
for example:-
lets take 1, 2, 3, 4, 5
n=sum of observations dat is 5
=(5(5+1))/2
=5(6)/2
=30/2
=15 is the answer
Hope dis helps u.. tq u..