Question

Find the sum of first n natural numbers. plz explain deeply​

Answer 1

Answer:

sum of first n natural numbers is

$\frac{n(n + 1)}{2}$

Substitute the value of n in the place of 'n' in the above formula to get the answer...

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Answer 2

Step-by-step explanation:

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.