need help in sequencing

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September 24th 2007, 02:44 PM
mpr

need help in sequencing

Need help in Sequencing
1. What is the next term in the sequence 15, 6, 21, 27, 48 _____? How do you get to that answer? I'm confused.

2. What type of a sequence is number 7?

Thank you,

mpr
September 24th 2007, 03:57 PM
Jhevon

Quote:

Originally Posted by mpr

Need help in Sequencing
1. What is the next term in the sequence 15, 6, 21, 27, 48 _____? How do you get to that answer? I'm confused.

we can define this sequence recursively.

$a_1 = 15$ , $a_2 = 6$ , $a_n = a_{n - 1} + a_{n - 2}$ , for $n \ge 3$ , $n \in \mathbb{N}$

so the next term is 48 + 27 = 75

Quote:

2. What type of a sequence is number 7?

Thank you,

mpr

umm, you mind telling us what sequence was in number 7?
September 24th 2007, 05:30 PM
Plato

Surely all realize that this is a totally meaningless question.
There are many, many answers that can be augured for.

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