Question: Problem 1 (3 points). Let a # b E R. Show that for all n E N: an - bn n-1 = a - b

Problem 1 (3 points). Let a # b E R. Show
that for all n E N: an - bn n-1 = a

Problem 1 (3 points). Let a # b E R. Show that for all n E N: an - bn n-1 = a - b Cakeon-1-k k=0

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