3. Find the 21th tem of the AP: 3, 1÷2, 4 ​

Question

3. Find the 21th tem of the AP: 3,
1÷2,
4

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Eden 1 month 2021-08-14T20:21:47+00:00 1 Answer 0 views 0

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    0
    2021-08-14T20:23:31+00:00

    Answer:


    Given:- -4×1/2,-3,-1×1/2


    a=-4×1/2 d=-6+4/2


    d=-1


    21th term = ?


    =21th term=a+20d


    =-4/2-20/1


    =-4-40/2

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