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Find the first five terms of sequence

  1. Dec 31, 2003 #1
    How can we find the first five terms of sequence given below?

    a1=7; an=an-1 – 4, n>=2
     
  2. jcsd
  3. Dec 31, 2003 #2
    By pluggin in numbers...

    a_1 = 7

    a_n = a_(n - 1) - 4, n >= 2 (you really need to use parantheses here).

    To find a_2, let n = 2. Then we have:

    a_2 = a_(2 - 1) - 4 = a_1 - 4 = 7 - 4 = 3.

    You use the same technique to find the rest of the numbers.
     
  4. Dec 31, 2003 #3
    Thanx

    Thanx
     
  5. Dec 31, 2003 #4

    enigma

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    Or Latex
     
  6. Dec 31, 2003 #5
    Yeah, I guess that works too. ;)
     
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