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Those Scary Sequences So Unlike The Beloved Arithmetic Ones

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Re: Those Scary Sequences So Unlike The Beloved Arithmetic O

by hawlia » Mon May 11, 2009 10:22 am
dtweah wrote:Given the sequence x1, x2, ..., x10, if x1 = 1 , x10 = 100 and xn+2 = xn + xn+1 for n = 1,2,...,8 then x2 =

(a) 101/9
(b) 79/34
c) 11/2
(d) 34/11
(e) 111/79
Is OA = B
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by avenus » Tue May 12, 2009 12:59 am
x3 = x2 + 1
x4 = 2x2 + 1
x5 = 3x2 + 2
x6 = 5x2 + 3
.
.
.
x10 = 34x2 + 21 = 100 ==> x2 = 79/34
Answer is B
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