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The nth term of an ap …

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The nth term of an ap from the end 2,7,12,17,22.......227 is

    • Posted by Meet Jadhwani 1 year, 10 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Gunpreet Kaur 1 year, 10 months ago

    AP- 2,7,12,17,22.......227 an=227 a=2 d= 5 , n=? an= a+ (n-1) d 227= 2+ (n-1)(5) 227-2= (n-1)(5) 225/5 = (n-1) 45 +1 =n 46 = n

    1Thank You

    Ayushi Angra 1 year, 10 months ago

    Reverse the series...so that a=227..and then solve using formula an=a+(n-1)d

    3Thank You

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