Question

11 Answer the following questions.
9. Write the formula to find the sum of first 'n' natural numbers​

Answer 1

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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Answer 2

Answer:

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Step-by-step explanation:

Sum of 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.