Pope
Lv 7
Pope asked in Science & MathematicsMathematics · 7 years ago

General term of a sequence?

These are the first four terms of a sequence:

1, 10, 28, 82

Find a general nth term that fits the sequence.

5 Answers

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  • sepia
    Lv 7
    6 years ago
    Favourite answer

    1, 10, 28, 82, ...

    an = -2(13n - 11)/(n - 5)

  • 7 years ago

    3^n+1 Except the first term which is 1. Others fit.

    10 = 3^2 + 1

    28 = 3^3 + 1

    82 = 3^4 + 1

  • 5 years ago

    10=1+1*9

    28=10+1*2*9

    82=28+1*2*3*9

    a(n+1) = a(n)+9n! with a(1)=1.

  • 6 years ago

    can you check my questions pls ! I've got a mathematics exams in 3 days and i cant answer couple of questions :/ THANK YOU ** SORRY FOR POSTING OVER HERE

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  • 6 years ago

    9n-7 is the answer popé...

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