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In an ap if d=-4 and …

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In an ap if d=-4 and seventh term is 4 then find first term

    • Posted by Sandeep Saini 7 years, 5 months ago

    CBSE > Class 10 > Mathematics
    • 5 answers

    Aryan Rawat 7 years, 5 months ago

    Here -20 is correct

    0Thank You

    Aastha Sharma 7 years, 5 months ago

    I hope it may help u

    1Thank You

    Aastha Sharma 7 years, 5 months ago

    d=4 a7=4 a=? a7=a +(n-1)d 4=a+6(4) A=-20

    1Thank You

    Vaibhav Arora 7 years, 5 months ago

    16

    2Thank You

    Sandeep Saini 7 years, 5 months ago

    24

    1Thank You

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