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Determine the AP whose 3rd term …

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Determine the AP whose 3rd term is 5 and the 7th term is 9

    • Posted by Avni Gupta 5 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Uv Pandher 5 years, 11 months ago

    a3= a+2d=5 (i) a7=a+6d =9 (ii) From i and ii we get d =1 so in (i) a+2d=5 a+2(1)=5 so a=3 Now A.P 3 ,4,5,6 ------ and so on

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