Question

sum of all natural number
those who give first I will mark it as brainlist​

Answer 1

Answer:

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9

45

Step-by-step explanation:

hope this may help you

Answer 2

Answer:

please mark as brainliest friend and follow me

Step-by-step explanation:

sum of natural no is given by

-----n(n+1)/2

DON'T FORGET YOUR PROMISE