Prove the formula of = geometric sum using induction,
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Base case: n = 1 When n = 1, the formula becomes: S_1 = a(1 - r^1) / (1 - r) Simplifying this expression, we get: S_1 = a This is true, since the sum of the first term of a geometric sequence is simply the first term itself. Inductive step: Assume that the Show more…
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