∑r from r=1 to n
0.5n(n+1)
steps in proof by induction
basis, assumption, inductive, conclusion
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∑r from r=1 to n
0.5n(n+1)
steps in proof by induction
basis, assumption, inductive, conclusion
how to prove by induction summations of a series with terms f(r) up to n
how to prove by induction divisibility of the expression f(n) by m
f(k+1)= λf(k) + mx