Sequences and Series Part 1
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Question : 42 of 100
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If the sum of the first 15 terms of theseries (
) 2 + ( 1
) 2 + ( 2
) 2 + 3 3 + ( 3
) 3 + ... is equal to 225 k, then k is equal to :
[12 Jan 2019 Shift 2]
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