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posted by  StrickerXY on 10/3/2008 12:27:00 PM  |  status: Live  

sequences/summations/induction

Course Textbook Chapter Problem
Discrete Math Discrete mathematics and its applications, sixth edition, kenneth rosen N/A N/A
Question Details:

Find a simple formula or rule that generates the terms of an integer sequence:

a. Rule: an = _______________________________ where n >= _____

a0  a1   a2   a3    a4    a5   a6     a7

3    6    11   18    27   38   51     66 …

b. Rule: an = _______________________________ where n >=_____

a1    a2     a3    a4     a5   a6   a7    a8    a9   a10

7     11     15    19    23   27   31    35   39    43 …

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posted by Nischal.S. on 10/3/2008 2:22:50 PM  |  status: Live
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Response Details:
a) rule = an = n2+2n + 3 where n>=0;

b) rule: an = 7 +(n-1)*4 where n>=1

Nischal. S.
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