Sequences and Series Part 1
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Question : 62 of 100
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Let a 1 , a 2 , a 3 , . . . . . A 49
a 4 k + 1 a 9 + a 43 = 66 a 1 2 + a 2 2 + . . . . + a 17 2 = 140 m
[Main 8 April 2018]
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