Math, asked by dalesahu1, 8 months ago

sum of 1st n natural number

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Answered by bhumilgarg879

Answer:

N(n+1)/2

Step-by-step explanation:

Sum of the First n Natural Numbers

We prove the formula 1+ 2+ ... + 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.

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sum of 1st n natural number​

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sum of 1st n natural number