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Deepak Bora
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Find the 37th term of the AP 6, 7_3 /4 , 9_1 /2 , 11_1 /4 , ………..

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This is the Important question based on Arithmetic progression Exercise 11 of R S Aggarwal book for ICSE & CBSE Board.
Here the AP is given. you have to find the nth term of given AP.

This is the Question Number 5 Exercise 11 A of RS Aggarwal Solution

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2 Answers

  1. Given AP is

    6, 7_3 /4 , 9_1 /2 , 11_1 /4 , ………..

    Here First Term =a=6

    Common Difference :

    d= 7_3 /4-6=1_3/4=7/4

    Here,First Term=a=6

    Common Difference =d = -15-(-40) = -15 + 40 =25

    n=37

    a_n= a +(n-1)d

    a_37= 6 +  (37-1)(7/4)

    =69

     

     

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  2. Given AP is

    6, 7_3 /4 , 9_1 /2 , 11_1 /4 , ………..

    Here First Term

    a=6

    Common Difference :

    d= 7_3 /4-6=1_3/4=7/4

    Here,First Term=a=6

    Common Difference =d = -15-(-40) = -15 + 40 =25

    n=37

    a_n= a +(n-1)d

    a_37= 6 +  (37-1)(7/4)

    =69

     

     

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