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Rajan@2021
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Find the 9th term of the AP 3/4, 5/4, 7/4, 9/4….

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In the given series of AP 3/4, 5/4, 7/4, 9/4…., we have been asked to find the 9th term of this series.

Book RS AGGARWAL,

CLASS 10, arithmetic progression, chapter- 5A, question no 2(iv)

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  1. Given: AP is 3/4,5/4,7/4,9/4,....
    Here, first term =a=3/4
    Common difference =d=5/43/4=1/2
    nth term is given by,
    an=a+(n1)d

    Put n=9

    a9=3/4+(91)1/2
    =19/4.

    The 9th term of the AP 3/4,5/4,7/4,9/4,.... is 19/4

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