Deepak Bora
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If the 10th term of an AP is 52 and 17th term is 20 more than its 13 th term, find the AP

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This is the Important question based on Arithmetic progression Chapter of R.S Aggarwal book for ICSE & CBSE
Here a term of AP and other term is more than which term of AP is given you have to find the AP.
This is the Question Number 17 Exercise 11 A of RS Aggarwal Solution.


1 Answer

  1. A+9d=52 (1 equation)
    a+16d=20+ a+12d
    4d= 20
    d= 5
    Substitute it in equation 1
    a= 7
    Therefore the AP is
    7, 12, 17,22…..

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