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07 Jul 2022, 04:19
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
95%
(hard)
Question Stats:
14% (01:28) correct
86%
(00:59)
wrong
based on 63
sessions
History
Date
Time
Result
Not Attempted Yet
The \(n^{th}\) term of a sequence \(S\) is given by the following relationship; \(a_n\) = [ (-1)\(^n\) ]. What is the sum of the first hundred terms?
(A) - 50
(B) - 10
(C) 0
(D) 10
(E) 50
(A) - 50
(B) - 10
(C) 0
(D) 10
(E) 50
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10 Jul 2022, 19:07
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each of the odd terms will cancel out even terms.
Answer should be 0
i.e. C
Answer should be 0
i.e. C
