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Mathematics, 01.09.2021 14:00 bertrandcherlan
Assume the statement is true for n = k. Prove that it must be true for n=k+1, therefore proving
it true for all natural numbers, n.
Hint: Since the total number of dots increases by n each time, prove that d(k) + (k+1) = d (k+1)
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Assume the statement is true for n = k. Prove that it must be true for n=k+1, therefore proving
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