Question

the sum of first n natural number is ?​

Answer 1

Answer:

Sum of the First n Natural Numbers

+ n = n(n+1) / 2, for n a natural number. There is a simple applet showing the essence of the inductive proof of this result.

Step-by-step explanation:

hope it helps you mark as brainliest

Answer 2

Sum of first natural numbers is 1,2,3,...............n

So n(n+1) /2 is the sum of first natural numbers.