1+2+3+…+n = n(n+1)/2
1+2+3+…+n = n(n+1)/2. We want to prove the above statement by mathematical Induction for all natural numbers (n=1,2,3,…). Slide 1. Next Slide. Step #1: Prove for n=1. 1+2+3+…+n = n(n+1)/2. We need to show that for n=1 the statement is true. Previous Slide. Slide 2. Next Slide.
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