find sum of first 40 natural numbers
Answers
Answered by
28
Hi,
1,2,3,4,5....,,40 are first forty natural
numbers.
********************************************
Sum of n natural numbers = sn
Sn = [ n ( n + 1 )/ 2 ]
*********************************************
According to the problem,
n= 40
S40 = [ 40 ( 40 + 1 )/ 2 ]
= 20 × 41
= 820
Therefore,
Sum of first forty natural numbers
equals to 820.
I hope this will useful to you.
*****
1,2,3,4,5....,,40 are first forty natural
numbers.
********************************************
Sum of n natural numbers = sn
Sn = [ n ( n + 1 )/ 2 ]
*********************************************
According to the problem,
n= 40
S40 = [ 40 ( 40 + 1 )/ 2 ]
= 20 × 41
= 820
Therefore,
Sum of first forty natural numbers
equals to 820.
I hope this will useful to you.
*****
Answered by
1
Step-by-step explanation:
Its so easy
Answer is 820
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