How to prove something by mathematical induction?

Asked by Prof. Wei Zhang Mar 16, 2025 intermediate 961 views
52

I'm learning proof techniques and mathematical induction confuses me.

How do I:

  1. Identify the base case
  2. State the inductive hypothesis
  3. Prove the inductive step

Can someone walk through proving that 1 + 2 + 3 + ... + n = n(n+1)/2 ?

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