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Activity Discussion Math Arithemetic sequence question

  • Arithemetic sequence question

    Posted by Aseem on June 3, 2023 at 11:00 pm

    Find the next three terms in the arithmetic sequence: 3, 7, 11, 15, …

    Deivakani replied 10 months, 3 weeks ago 2 Members · 1 Reply
  • 1 Reply
  • Deivakani

    Member
    June 4, 2023 at 12:29 pm
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    Arithmetic sequence follows the order a,a+d,a+2d,a+3d….

    First term is a , a= 3

    Second term a+d= 7 . substitute a here to find d

    3+d=7, d=4

    Third term a+2d=11

    Fourth term a+3d=15

    We need to fifth,sixth and seventh term

    Fifth term a+4d= 3+4*4 = 19

    Sixth term a+5d = 3+5*4= 23

    Seventh term a+6d=3+6*4= 27

    The next three terms are 19,23,27

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