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Asked by vishwajeetsinghrajput2018 | 17 Mar, 2024, 12:27: AM
answered-by-expert Expert Answer

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Each term in above series is a term in aritmetic progression with first term 8/15 and common difference 4/15

Hence sum of series is

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Middle term is sum of 9 terms   1 +2 +3......... 9 ; Third term is sum of 9 terms of squares  12 + 22 + 32 + ................+92

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S = (16/5) × 101

hence , we get , m = 101

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