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A1 , A2 , A3 , A4 and A5 are terms of the sequence where,
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21 May 2024, 23:58
21 May 2024, 23:58
Expert Reply
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Question Stats:
64% (01:09) correct
35% (01:05) wrong based on 14 sessions
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\(A_1, A_2, A_3, A_4\) and \(A_5\) are terms of the sequence where \(A_n=n \times (-1)^{n-1}\). What is the range of this sequence?
A. 4
B. 6
C. 9
D. 10
E. 12
A. 4
B. 6
C. 9
D. 10
E. 12
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Shorter GRE - Preparing for the Quantitative Reasoning Measure
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Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
Re: A1 , A2 , A3 , A4 and A5 are terms of the sequence where,
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25 Aug 2024, 03:36
25 Aug 2024, 03:36
Expert Reply
Thanks to the formula we can calculate the first 5 terms using \(n=1,2,3,4, and 5
\)
\(A_1=1, A_2=-2,A_3=3,A_4=-4,A_5=5\)
The range is \(5-(-4)=9\)
C is the answer
\)
\(A_1=1, A_2=-2,A_3=3,A_4=-4,A_5=5\)
The range is \(5-(-4)=9\)
C is the answer
gmatclubot
Re: A1 , A2 , A3 , A4 and A5 are terms of the sequence where, [#permalink]
25 Aug 2024, 03:36
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