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    siddhantbhopal's Avatar
    siddhantbhopal Posts: 2, Reputation: 1
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    #1

    May 30, 2009, 01:52 AM
    arithmetic progression
    1.the seven th term of an A.P is 32 and its 13 term is 62 find AP.(arithmetic progression)


    2.find the sum of 1 st 25 term of an ap whose n th term is given by tn = 2-3n


    3.the 7 th term of an AP is 20 and its 13 th term is 32 find the AP.


    4.the 8 th term of an AP is 37 and 12 th term is 57 find the AP(arithmetic progression)


    5.find the sum of 1 st 25 term of AP whose n th term is given by tn=7-3n.


    6.which term of AP = 3,10,17... will be 84 more then its 13 th term.


    7.the 8 th term of AP is 32 and its 12 th term is 52.find the AP.
    ROLCAM's Avatar
    ROLCAM Posts: 1,420, Reputation: 23
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    #2

    May 30, 2009, 03:11 AM

    1.the seven th term of an A.P is 32 and its 13 term is 62 find AP.(arithmetic progression)

    1 2
    2 7
    3 12
    4 17
    5 22
    6 27
    7 32
    8 37
    9 42
    10 47
    11 52
    12 57
    13 62

    I just gave you the answer to number1.
    If I give you the answers I shall be breaking the rules of Ask Me Help Desk.
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    May 30, 2009, 06:11 AM

    First thing, means the term n of a sequence. So, means that it is the first term of a sequence.

    Now, an arithmetic progression is a sequence where the you have a fixed value added or removed from the previous term.

    If you are given the equation of a sequence, for example, replacing n by the term number will give you the term you're looking for.

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