Mathematics, 09.06.2021 01:00 kayladgranger

Lydia will derive the formula for the series S = a + ar + ar^2 + ar^3 + ... + ar^n using the fewest steps where a $\neq$ 1 and r $\neq$ 1 Which operation would be Lydia’s first step? multiply both sides by a
multiply both sides by r
add r to both sides
add a to both sides

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