Sequences and Series Part 1
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Question : 63 of 100
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Let A be the sum of the first 20 terms and B be the sum of the first 40 terms of the series 1 2 + 2.2 2 + 3 2 + 2.4 2 + 5 2 + 2.6 2 + . . . .
IfB − 2 a = 100 λ then λ is equal to:
If
[Main 8 April 2018]
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