nth term of an arithmetic sequence is 4n+1. what is the first term ​

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nth term of an arithmetic sequence is 4n+1. what is the first term

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Maya 1 month 2021-08-20T16:51:33+00:00 1 Answer 0 views 0

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    2021-08-20T16:53:09+00:00

    Step-by-step explanation:

    Nth term of given A.P. (Arithmetic Progression) is 4n+1.

    So, first term = 4(1)+1 =5

    Second term= 4(2)+1=9

    Third term= 4(3)+1=13

    ……

    Thus, the A.P. is 5,9,13….

    And the common difference is 9–5=13–9=4

    Alternatively, if nth term is 4n+1

    and (n+1)the term is 4(n+1)+1= 4n+4+1=4n+5

    Then, common difference=(4n+5)-(4n+1)=4n+5–4n-1=4

    Thus, common difference=4

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