15,9,3,-3 if it is in ap series what are the next 4 no.

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15,9,3,-3 if it is in ap series what are the next 4 no.

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Sophia 1 month 2021-08-18T12:54:41+00:00 1 Answer 0 views 0

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    2021-08-18T12:56:16+00:00

    15, 9, 3, -3 are in AP

    So, the first term of an AP,

    a=15

    d = 9 - 15

    d =  - 6

    so..

    5th term of an AP IS

    a_{5} = a + 4d = 15 + 4( - 6) = 15 - 24 =  - 9

     a_{6} = a + 5d = 15 + ( - 9) = 15 + 5( -6) = 15 - 30 =  - 15

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