Question

101019 -
28
Observation Table :
n (n + 1)
Sr.
No.
The value
of n
The sum found from
the square-grid
Is
4 (4 + 1) 4
5
7 + 3 = 10
Yes
= 10
41
19
30
Conclusion: The sum of first n natural numbers, using the formula and by square grid is the same. Thus
we can check the given formula
Learning outcome : The student can remember the formula by getting the direct proof​

Answer 1

Explanation:

u have written the answer also i guess