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If a₁+a₂=1, a₂+a₃=2, a₃+a₄=3, a₄+a₅=4,....a₅₀+a₅₁=50 and a₅₁+a₁=51, then what is the sum of a₁, a₂, a₃,....., a₅₁ ?
A. 663
B. 1326
C. 1076
D. 538
E. 665

If aa1 aa2 aa3 aa4aa50 and aa51 then what is the sum of a a a a A 663 B 1326 C 1076 D 538 E 665 class=

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