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Find the sum to n terms of the series 10 + 84 + 734 +…….
Solution
10 + 84 + 734 +……. n terms= (9 + 1) + (92 + 3) + (93 + 5) +…….+ n terms= (9 + 92 + 93...
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Keynote
The sum of the Geometric Series a + ar + ar2 + ... + ar(n-1) isWhere a = First term and r = common ratioThe sum of first n natural numbers is =...
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