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Babynini

  • one year ago

Find the first five terms of the given recursively defined sequence a_n=a_(n-1)+a_(n-2)+a_(n-3) and a_1=a_2=a_3=1

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  1. Babynini
    • one year ago
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    @rvc help please!! It's due today and I completely forgot about it :/

  2. anonymous
    • one year ago
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    You already have the first 3. The recursive formula is saying that each term is the sum of the 3 previous terms. a4 = a1 + a2 + a3

  3. Babynini
    • one year ago
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    so it's a_4=3 ?

  4. anonymous
    • one year ago
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    right

  5. Babynini
    • one year ago
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    so then i'd find a_5, a_6 and a_7?

  6. anonymous
    • one year ago
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    I think you only need a5 because a6 is the 6th term and a7 is the 7th

  7. Babynini
    • one year ago
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    hm ok.

  8. Babynini
    • one year ago
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    and a_5 would be 5?

  9. anonymous
    • one year ago
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    yes

  10. rvc
    • one year ago
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    Good job @peachpi :)

  11. anonymous
    • one year ago
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    thank you @rvc

  12. Babynini
    • one year ago
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    thanks so much!

  13. rvc
    • one year ago
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    Thank you

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