Valumptious5115 Valumptious5115

23-05-2023
Mathematics

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1. Consider the formula for the surm of a geometric series: C Σαν"-1 -, 1-Y n1 Derive this formula by using the nth partial sum Sn. Hint: Subtract SN-r. Sn 2. Show that Σ" - Σ" - Σετ - Σ cr C

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