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smug
smug asked in Science & MathematicsMathematics · 5 years ago

For the arithmetic sequence, find a17 and An when a1=9 and d=-4?

https://i.gyazo.com/3314ff09336f179244e0ea3446b7ca...

1 Answer

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  • alex
    Lv 7
    5 years ago

    rule

    an = a1 + (n-1)d

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