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Which term of the Ap:121,117,113,....,is its …

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Which term of the Ap:121,117,113,....,is its negative terms?[Hint:find n for An<0]

    • Posted by Mohmmad Adnan 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Ram Kushwah 6 years, 10 months ago

    a=121 d=-4

    An=121+(n-1)(-4)

    =121+4-4n

    An=125-4n

    If An=0 then

    125-4n=0

    n=125/4=31.25

    n next to 31  means 32th term is negative

    2Thank You

    Chetna ☺️ 6 years, 10 months ago

    It's 32 th term

    2Thank You

    Somil Modi 6 years, 10 months ago

    32th term

    2Thank You

    Kunal Kaushal 6 years, 10 months ago

    Answer is nothong

    3Thank You

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